Relevant bibliographies by topics / Agriculture Input-output analysis

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Agriculture Input-output analysis'

Author: Grafiati
Published: 4 June 2021
Last updated: 13 February 2022

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Journal articles on the topic "Agriculture Input-output analysis"

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Holland, D. W., and R. P. Martin. "Output Change in U.S. Agriculture: An Input-Output Analysis." Journal of Agricultural and Applied Economics 25, no. 2 (1993): 69–81. http://dx.doi.org/10.1017/s1074070800018976.

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AbstractThis paper analyzes output changes in the U.S. agricultural economy from 1972 to 1977 using a 477-sector input-output framework. The empirical model is based on benchmark input-output data from the U.S. Bureau of Economic Analysis for 1972 and 1977. Output changes were decomposed into components attributable to technical change, domestic final demand change, export demand change and import substitution. A major advantage of the decomposition is its ability to identify the output change in a given sector due to general equilibrium effects in all sectors.
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Ozkan, Burhan, Handan Akcaoz, and Cemal Fert. "Energy input–output analysis in Turkish agriculture." Renewable Energy 29, no. 1 (2004): 39–51. http://dx.doi.org/10.1016/s0960-1481(03)00135-6.

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Salama, Sri Cahyaning Umi. "EFFICIENCY ANALYSIS OF STATE BUDGET ON AGRICULTURAL DEVELOPMENT IN INDONESIA 2012-2016." Journal of Developing Economies 3, no. 1 (2018): 33. http://dx.doi.org/10.20473/jde.v3i1.8596.

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Indonesia is still far behind compared to other Asian countries in agriculture. The technology and the availability of pre-facilities are still inadequate because of the many obstacles that hamper agricultural development. Agricultural development is a major component of rural development. One way to help the process of agricultural development is with the ease of access to finance.The State through the Ministry of Agriculture continues to make efforts in encouraging the development of domestic agriculture. Funds distributed are not small so it is necessary to calculate the efficient use of state budget funds in agricultural development in Indonesia. This study aims to measure the level of efficiency of the state budget for the agricultural sector. The data used are secondary data derived from the Ministry of Agriculture's financial report from 2012 to 2016.The method used is Data Envelopment Analysis (DEA) with input oriented and output oriented with Variable Returns to Scale (VRS). The input variable used is the realization of State Budget (APBN) for agriculture sector, while the output variables used are Farmer's Exchange Rate (NTP), Gross Domestic Product, and Farmer Productivity. The results show that the year 2015 becomes a very inefficient year both in terms of input oriented and output oriented. The increase in the realization of state expenditures for agriculture is not balanced by significant results, even in 2016 where the relatively small increase in the realization of the agriculture sector budget has had a comparable impact.Keywords: Efficiency, realization Budget expenditure, agricultural development
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Bekhet, Hussain Ali, and Azlina Abdullah. "Energy Use in Agriculture Sector: Input-Output Analysis." International Business Research 3, no. 3 (2010): 111. http://dx.doi.org/10.5539/ibr.v3n3p111.

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Many sectors rely on energy as input to produce output. Even though the use of energy in agriculture sector is not as high as in other sectors, it is important to study the connectedness between the two sectors as there is no study done so far to show the linkages between them in Malaysia. Input-output analysis has been used to study the connectedness degree between the two sectors using input-output data for 1991-2000. The direct and total backward linkages analyses have shown that there is a significant increase in the use of energy in agriculture sector for the 1991-2000 period but the connectedness is still weak. Among the three energy-related sectors namely; crude oil, natural gas & coal, petrol & coal industries and electricity & gas, it was found that the agriculture sector depends more on inputs from petrol & coal industries as compared to the other two sectors. Based on these results, some policy implications have been proposed to help the decision-makers in economic planning especially on implementing policies related to energy and agriculture sectors.
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Karkacier, Osman, and Z. Gokalp Goktolga. "Input–output analysis of energy use in agriculture." Energy Conversion and Management 46, no. 9-10 (2005): 1513–21. http://dx.doi.org/10.1016/j.enconman.2004.07.011.

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Bednaříková, Zuzana. "The Economic Contribution of Agriculture for Rural Economy? An Application of Input-Output Analysis." Politická ekonomie 60, no. 2 (2012): 265–85. http://dx.doi.org/10.18267/j.polek.841.

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Widyawati, Retno Febriyastuti. "ANALISIS KETERKAITAN SEKTOR PERTANIAN DAN PENGARUHNYA TERHADAP PEREKONOMIAN INDONESIA (ANALISIS INPUT OUPUT)." Jurnal Economia 13, no. 1 (2017): 14. http://dx.doi.org/10.21831/economia.v13i1.11923.

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Abstrak: Analisis Keterkaitan Sektor Pertanian dan Pengaruhnya Terhadap Perekonomian di Indonesia (Analisis Input Output). Sektor pertanian masih menjadi andalan penciptaan lapangan pekerjaan dalam jumlah yang cukup besar dibandingkan dengan sektor-sektor lainnya dalam perekonomian di Indonesia. Hal ini menjadikan peluang sektor pertanian dalam pengaruhnya terhadap perekonomian di Indonesia. Artikel ini bertujuan untuk meneliti keterkaitan ke depan dan ke belakang sektor pertanian dengan sektor-sektor lain di Indonesia dan meneliti dampak dari angka pengganda sektor pertanian. Analisis yaitu Input-Output dengan data sekunder Input-Output Indonesia 2010. Hasil menunjukkan bahwa sektor industri pengolahan dan sektor listrik, gas, air bersih memiliki keterkaitan ke depan terhadap sektor pertanian. Selanjutnya, sektor listrik, gas, air bersih; dan sektor bangunan memiliki keterkaitan ke belakang terhadap sektor pertanian. Hasil pengganda output sektor pertanian memiliki dampak pengganda output yang lebih rendah dibandingkan sektor lainnya, sedangkan pengganda pendapatan rumah tangga dan kesempatan kerja memiliki dampak pengganda yang lebih besar dibandingkan sektor lainnya. Kata Kunci: Pertanian, Input-Output, Keterkaitan, Angka Pengganda Abstract: Linkage Analysis of Agricultural Sector and Effect on the Economy in Indonesia (Input-Output Analysis). The agricultural sector is still the mainstay of job creation in large enough quantities compared to other sectors of the economy in Indonesia. It makes the chances of the agricultural sector in its influence on the economy in Indonesia. This article aims to examine the relationship forward and backward linkages agricultural sector with other sectors in Indonesia and examines the impact of multiplier output agriculture sector on the economy. Analysis use Input-Output with secondary data Input-Output Indonesia 2010. The results showed that the manufacturing sector and electricity, gas, water sector had been linked to the future of the agricultural sector. Furthermore, electricity, gas, water sector; and the building sector have backward linkages to the agriculture sector. The multiplier output agricultural sector has multiplier output impact lower than other sectors in the economy. Multiplier household income and employment agriculture have a greater multiplier effect than other sectors. Keywords: Agriculture, Input-Output, Linkages, Multiplier Effect
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Hatirli, Selim Adem, Burhan Ozkan, and Cemal Fert. "An econometric analysis of energy input–output in Turkish agriculture." Renewable and Sustainable Energy Reviews 9, no. 6 (2005): 608–23. http://dx.doi.org/10.1016/j.rser.2004.07.001.

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Desiyanti L, Ni Putu Andini. "ANALISIS KETERKAITAN SEKTOR PERTANIAN DAN PENGARUHNYA TERHADAP PEREKONOMIAN INDONESIA (ANALISIS INPUT OUPUT)." Jurnal Ilmiah Satyagraha 3, no. 2 (2020): 140–57. http://dx.doi.org/10.47532/jis.v3i2.178.

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The agricultural sector is still the mainstay of job creation in large enough quantities compared to other sectors of the economy in Indonesia. It makes the chances of the agricultural sector in its influence on the economy in Indonesia. This article aims to examine the relationship forward and backward linkages agricultural sector with other sectors in Indonesia and examines the impact of multiplier output agriculture sector on the economy. Analysis use Input-Output with secondary data Input-Output Indonesia 2010. The results showed that the manufacturing sector and electricity, gas, water sector had been linked to the future of the agricultural sector. Furthermore, electricity, gas, water sector; and the building sector have backward linkages to the agriculture sector. The multiplier output agricultural sector has multiplier output impact lower than other sectors in the economy. Multiplier household income and employment agriculture have a greater multiplier effect than other sectors.
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Liu, Hai Qing, and En Ping Liu. "Energy Balance Analysis in Hainan Province's Agriculture Sector." Applied Mechanics and Materials 195-196 (August 2012): 1249–53. http://dx.doi.org/10.4028/www.scientific.net/amm.195-196.1249.

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This paper collected energy input-output data of Hainan Province agriculture sector in 21 years (1988-2008).All the direct and indirect inputs of energy for the production of main crops in Hainan were evaluated.The inputs and outputs were calculated by multiplying the amounts of inputs and outputs by their energy equivalents.The results showed that total energy input increased from 16.06 in 1988 to 38.39GJha-1 in 2008, total output energy increased from 83.92 in 1988 to 149.06GJha-1 in 2008. The net energy gain was a positive value,but a majority of the input energy emanates from non-renewable sources of energy.The energy ratio was estimated to be 5.04 and showed a declining trend during the period.This indicates that increased use of inputs ha-1 in production was accompanied by a much less increase in the output levels.Improvements in fertilizer application can significantly affect the energy efficiency of Hainan agriculture sector.
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Dissertations / Theses on the topic "Agriculture Input-output analysis"

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Caskie, David Paul. "An input-output analysis of agriculture in Northern Ireland." Thesis, Queen's University Belfast, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.295406.

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Cloutier, Martin. "Households' expenditure patterns and income distribution in the Canadian agriculture and food industries : an input-output analysis." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69544.

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The objective of the research was to demonstrate the need, feasibility and relevance of disaggregating by income group the endogenized household sector in the Canadian Input-Output (I-O) model. Personal expenditures and revenue sources were endogenized into Agriculture Canada's I-O open model. Two models were developed, Model 1 and Model 2. Model 1 was a closed model that assumed homogeneity among households. Model 2 relaxed the homogeneity assumption.<br>The superiority of Model 2 was empirically demonstrated by comparing the economic indicators generated by the models. The indicators of interest were industrial output, GDP at factor cost and the number of paid jobs. A sensitivity analysis investigated the impact of changes in wages and salaries and final demand on the models. Larger differences were found between the models when wages and salaries were stimulated. As hypothesized, Model 1 underestimated the contribution of the lowest wages and salaries group by 19.9 percent and overestimated the impact of the higher wages and salaries group by 19 percent. A $1 million increase in the final demand for agricultural, agri-food and petrochemical products was also simulated. The largest impacts on industrial output occurred when agricultural production was shocked ( $3.8 million). This was followed by agri-food products ($3.2 million) and petrochemical products ( $2.7 million). While differences in the models' estimates were minimal when changes in final demand were simulated, Model 2 generated additional information on the distribution of income.<br>In conclusion, the results generated by the I-O model with the disaggregated household sector, Model 2, were consistent with budget data and economic theory.
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Chow-Coleman, Jane Amy. "Time-Varying Estimation of Crop Insurance Program in Altering North Dakota Farm Economic Structure." Thesis, North Dakota State University, 2008. https://hdl.handle.net/10365/29762.

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This study examines how federal farm policies, specifically crop Insurance, have affected the farm economic structure of North Dakota's agriculture sector. The system of derived input demand equations is estimated to quantify the changes in North Dakota farmers' input use when they purchase crop insurance. Further, the cumulative rolling regression technique is applied to capture the varying effects of the farm policies over time. Empirical results from the system of input demand functions indicate that there is no moral hazard since North Dakota farmers will increase fertilizer and pesticide use in the presence of crop insurance. Results also indicate that farmers in this state will not increase the use of land.
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Karlin, Joel. "Analysis of forward contracting by California dairy producers on input and output sides using least- cost and profit-maximization methods." Thesis, Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/3904.

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Rondós, Elena. "Noves eines per a l'anàlisi sectorial. Aplicació al sector agrícola català." Doctoral thesis, Universitat de Girona, 2019. http://hdl.handle.net/10803/668335.

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This doctoral thesis aims at developing and implementing a computational framework for performing virtual testing of composite structures using a High-Performance Computing (HPC) environment. In this sense, this thesis presents several novel constitutive models based on the continuum damage mechanics theory and their implementation in the HPC-base Finite Element (FE) simulation code called Alya. The verification and validation of the models are performed comparing the numerical predictions with analytical formulations and experimental data. The comparisons demonstrate not only the reliability of the damage models but also the potential of an HPC-based environment for Virtual Testing of COmposite STructures. Therefore, the outcome of this thesis is both the formulation of new fracture models and the numerical framework named Alya-VITECOST.<br>L’objectiu d’aquesta tesis doctoral és el desenvolupament i implementació d’un marc computacional d’alt rendiment (HPC, de les sigles en anglès de High Performance Computing) amb el fi de realitzar proves virtuals d’estructures fetes de materials compòsits. En aquest sentit, aquesta tesis presenta la formulació de diversos models constitutius basats en la teoria de la mecànica de danys continus així com la seva implementació en el codi de simulació HPC anomenat Alya. La verificació i validació dels models i la seva implementació es realitza comparant les prediccions numèriques amb solucions analítiques i dades experimentals. Els resultats demostren la fiabilitat dels models formulats així com el potencial i avantatges oferts pels codis de simulació HPC. Per tant, el resultat d’aquesta tesis és tant la formulació dels models de dany progressiu com el marc numèric de simulació anomenat Alya-VITECOST.
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Erwidodo. "Panel data analysis on farm-level efficiency, input demand, and output supply of rice farming in West Java, Indonesia." 1990. http://catalog.hathitrust.org/api/volumes/oclc/26144016.html.

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Hung, Ting-Wen, and 洪庭雯. "Input-Output Analysis of Agricultural Sector in Taiwan." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/49097591888716458789.

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碩士<br>國立臺灣大學<br>農業經濟學研究所<br>103<br>In recent years, with the change of the economic structure and the eating habits of people, status of agricultural sector in the primary agriculture and the overall economy is declining gradually. However, according to the total production value, during 1980 to 2013, agricultural sector contribute 43.95% to the average of primary agriculture production value. It is obvious that agricultural sector still play an important role in the primary agriculture. With the changes in management patterns, the connections between agricultural sector and secondary and tertiary industries becomes more and more complex. In order to correctly estimate the contribution of agricultural sector and its importance to the overall economy. It is necessary to take the contribution of its related industries into account, however, there were only a few literature in this field. This paper applies the input-output analysis, bases on input-output tables of 2006 and 2011, to analyze the industry linkage effect and multiplier effect of agricultural sector in 2006 and 2011 and to compute the value-added of agricultural sector and its related industry from 2006 to 2012. The result shows that the index of sensitivity dispersion and the index of power dispersion of agricultural sector are below the average of all industries in 2006 and 2011. We can refer agricultural sector as low linkage industry in quadrant III and it is not tremendously supporting and leading other industries. In term of multiplier effect, either household exogenous or endogenous, income and employment multipliers of agricultural sector perform well in 2006 and 2011. Among all industries, income multiplier normally achieves first or second rank, while employment multiplier ranked between sixth and eighth, and production multiplier also reached third rank under household endogenous circumstance. In term of value-added, the contribution of agricultural sector and its related industries to overall economy is between 6.33% and 7.03% during 2006 to 2012. It is significantly higher than the contribution of sole agricultural sector, which is between 1.08% and 1.34%.The contribution of agricultural sector and its related industries to primary agriculture is between 56.72% and 60.43%.
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陳律宇. "The Economic Impact from Agricultural Loss Caused by Natural Disasters and Input-Output Analysis in Taiwan and China." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/74603552817358057540.

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Lo, Ya-Ling, and 羅雅陵. "The impact of cross-strait agricultural trade on Taiwan's industries and the overall economic: Regional Input-Output Analysis." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/31007651503877167191.

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ZHENG, CHINLONG. "A SHORTCUT INPUT-OUTPUT MULTIPLIER ANALYSIS WITH MINIMUM DATA REQUIREMENTS: A METHODOLOGY AND ITS APPLICATION TO TIMBER SUPPLY POLICIES IN MASSACHUSETTS (ECONOMIC IMPACT, COST-BENEFIT ANALYSIS, PROJECT APPRAISAL, FOREST MANAGEMENT)." 1986. https://scholarworks.umass.edu/dissertations/AAI8622734.

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The impact of public forestry projects on regional economic development is an important concern of decision makers. A shortcut estimation function to calculate input-output (I-O) multipliers in the absence of I-O models is proposed in this study to measure such regional economic impact. The I-O multiplier quantifies the relationship between an initial investment and the subsequent increase in the total production of an economy resulting from the interdependency among the industries in that economy. The shortcut function employs only two variables: the internal purchase ratio and the intraregional sale ratio, both of which can be estimated easily from secondary data. The derivation of this function is based on certain properties of the real roots (eigenvalues) of I-O matrices. The shortcut function is validated by comparing the actual multipliers obtained from existing I-O models and their estimated values calculated by the function. The empirical test shows a close agreement between actual and estimated I-O multipliers. The shortcut function is then applied to measure the I-O multiplier effects of harvesting activities related to different timber supply policies in Massachusetts. An estimated I-O multiplier indicates that every one dollar invested in timber harvesting would add 2.454 dollars to the total production of the state. Because of its cost-efficiency, the shortcut method can be used frequently in regional economic impact assessment. The lack of reliable data on imports and exports may introduce a biased estimation of these I-O multipliers. Under further assumptions, the shortcut method can also calculate income and employment multipliers if additional information on wage and labor productivity are available.
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Books on the topic "Agriculture Input-output analysis"

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Pedersen, Ole Gravgård. Landbruget i amterne: En input-output analyse = Agriculture in the Danish counties : an input-output analysis. I kommission hos Landhusholdningsselskabets forlag, 1986.

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Mergos, George. Output supply and input demand in Greek agriculture: A multi-output profit function approach. Centre of Planning and Economic Research, 1991.

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Canada, Canada Agriculture. Agriculture Canada's input-output model: Part 1 : disaggregation of the agriculture sector. Policy Branch, Agriculture Canada, 1987.

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Mark, Shelley Muin. An interindustry analysis of the current role of agriculture in the Hawaiian economy. HITAHR, College of Tropical Agriculture and Human Resources, University of Hawaii at Manoa, 1986.

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Faminow, M. D. The economic impact of production agriculture of Pakistan's agri-business and other non-agricultural sectors: Analysis and guide for policy makers. Pakistan Economic Analysis Network (EAN) Project, 1992.

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Lipton, Kathryn L. From farming to food service: The food and fiber system's links with the U.S. and world economies. U.S. Dept. of Agriculture, Economic Research Service, 1992.

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Die gesamtwirtschaftliche Bedeutung der Agrar- und Ernährungswirtschaft: Möglichkeiten der empirischen Untersuchung mit Hilfe der Input-Output-Analyse. Wissenschaftsverlag Vauk, 1986.

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Sankar, U. Input-output transaction tables, Tamil Nadu, 1981-82: Agricultural, mining, and manufacturing sectors, a preliminary report. Dept. of Econometrics, University of Madras, 1994.

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Edmondson, William E. Examining agricultural output in the 1982 national input/output accounts by state and I/O sector. U.S. Dept. of Agriculture, Economic Research Service, Agriculture and Rural Economy Division, 1992.

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Organization, Asian Productivity, ed. Manual for measurement and analysis of agricultural productivity. Asian Productivity Organization, 1994.

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Book chapters on the topic "Agriculture Input-output analysis"

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Morgan, W. Douglas, and Lloyd J. Mercer. "Analyses of Irrigation and Drainage Problems: Input-Output and Econometric Models." In The Economics and Management of Water and Drainage in Agriculture. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-4028-1_26.

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Huang, Anqi, Chao Zhang, Pingzeng Liu, Junmei Wang, Wanming Ren, and Yong Zheng. "Input-Output Analysis of Chinese National Agricultural Science and Technology Park." In Lecture Notes in Computer Science. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24265-7_44.

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Schluter, Gerald. "Structural Analysis Using Input/Output Analysis: The Agriculture Sector and National and Regional Levels." In Microcomputer-Based Input-Output Modeling. CRC Press, 2019. http://dx.doi.org/10.1201/9780429033797-10.

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Elhagarey, Mohamed Elsayed, Mohamed M. Hushki, and Szabo E. Istvan. "Predictable Scenarios of Fuzzy Logic Analysis for Sprinkler Irrigation Control." In Precision Agriculture Technologies for Food Security and Sustainability. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-5000-7.ch009.

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MATLAB will be utilized to validate the various irrigation systems and report it; the air temperature, wind, and humidity will be member functions to improve the efficiency of irrigation performance before the irrigation process, and the fuzzy information system consists of fuzzy rules, which are derived from information of experts or from input-output learning of the system. Rules mimic human reasoning. Mamdani method is mostly applied in the fuzzy inference technique, and the generalized bell function is used for both of temperature and wind where the triangular function used for humidity. The principles were based on the last experiments and personal experiences, and the output will change into a crisp value from this procedure of defuzzification. There are many different methods to do defuzzification, but the most common technique is centroid method. The resultant surface graphic is enough to monitor, validate, and report the irrigation system efficiency to execute and schedule the irrigation practice management.
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Ogbeide, Osadebamwen Anthony, and Ideba Ele. "An Analysis of Mobile Phone Use in Nigerian Agricultural Development." In Environmental and Agricultural Informatics. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9621-9.ch061.

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This study used 328 smallholder farmer respondents to investigate its objectives of how farmers use mobile phone technology, what benefits they have gained from the use, and the constraints encountered during the process. The quantitative data collected through a process of questionnaire administration were analysed using Stata 12 software. The results indicate that mobile phone usage for farm and other social purposes has increased with farmers. The farmers also spend almost 40% of their phone bills on farm-related activities and that seeking market information represented 17.32% of the total phone bill in a month. Increased efficiency in input delivery, market access, and output distribution were reported as some of the advantages of using mobile phones. This study was conducted in a region where its general characteristics may not reflect that of the entire country thus generalisation of the study may be limited, so the data should be cautiously use.
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Conference papers on the topic "Agriculture Input-output analysis"

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Turdalieva, Ainura, and Tuncer Özdil. "An Analysis of Structural Changes in Kyrgyz Economy using Input-Output Technique (2005-2009)." In International Conference on Eurasian Economies. Eurasian Economists Association, 2011. http://dx.doi.org/10.36880/c02.00281.

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Structural changes in economy become the important goal of economic development in the developing countries. During the ongoing globalization process, the successful execution of special analysis and approaches caused the growing interest in macroeconomic planning and development policies. In this context, input-output analysis is emerging as an alternative research method among the other economic planning methods.&#x0D; The purpose of the present paper is to describe the structural changes in production, compare the structural parameteres of production for the years 2005-2009, investigate the sources of differences and give recommendations that will bring solutions to the problems.&#x0D; Research is based on input-output analysis and used input-output tables prepared for the years 2005 and 2009 by The National Statistical Committee Kyrgyz Republic. Industrial structure dependency, production techniques, efficiency of input usage, were calculated in this paper.&#x0D; The results are as follows: there were found some sub-sectors in agriculture, manufacturing and service sector, on which economy depends on; equal efficiency of production techniques and input usage. It is notable that for achieving economic growth, economy needed investments to stimulate the production capacity, which strengthening inter-sectoral relationship and stable macro-economic planning.&#x0D;
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DZEMYDAITĖ, Giedrė. "AGRICULTURE’S IMPACT FOR THE ECONOMY: INTER-INDUSTRY LINKAGES AND MULTIPLIER EFFECTS." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.057.

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The role of agriculture sector is understood as being vital for economic development and well being of rural areas. Common agriculture policies in the EU and production shocks in agriculture sector reflect in production changes that causes direct and indirect effects for other industries development in the region, as well as, households’ income. This paper aimed to evaluate agriculture sector’s direct and indirect impacts for the economy by analyzing sectoral linkages and multiplier effects. Input-output analysis techniques were applied. Both output and income multipliers were evaluated. This paper supports the idea that agriculture sectors were more multiplying the economy than other sectors on average. This sector remains important catalyst of the economy, especially while taking into account development challenges in rural areas.
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Zhang, Fengtai. "Measurement of efficiency of agricultural input and output in Guizhou by data envelopment analysis (DEA) method." In 2016 International Forum on Management, Education and Information Technology Application. Atlantis Press, 2016. http://dx.doi.org/10.2991/ifmeita-16.2016.41.

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Forgacs, Csaba. "In what direction is agricultural specialization headed in Central and Eastern Europe? (2005-2016)." In 21st International Scientific Conference "Economic Science for Rural Development 2020". Latvia University of Life Sciences and Technologies. Faculty of Economics and Social Development, 2020. http://dx.doi.org/10.22616/esrd.2020.53.005.

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The paper deals with the main directions of specialization in Central and Eastern European Countries’ (CEECs, EU10) agriculture after the EU’s Eastward Enlargement. We analyse and compare growth and productivity advantages of specialized farm types by physical size (in hectare) in EU10 member-states to the EU10/27/15 average based on EUROSTAT data in the period of 2005-2016. We focus on exploring the main directions of specialization using such indicators as the number of specialized farms, land (Utilized Agricultural Area, UAA) and labour (Agricultural Working Unit, AWU) use on the input side, average farm size by land and labour use as well as area-, labour-, and total productivity on the output side. We conclude that the directions of specialization in farming in EU10 were based on the traditional farm production structure making the latter better able to adjust and take advantages of Common Agricultural Policy. Concerning production growth rate, the three leading specialization types of CEECs’ farms were: (i) cattle rearing and fattening, (ii) cereals, oilseed and protein crops and (iii) fruits and citrus fruits. These three specialization types of farms – in the same ranking order - also increased land (UAA) and labour (AWU) use well above the average. Specialized cereals farms and cattle rearing and fattening farms were also ranked in top three by number. Both cereals and fruits specialized farms have leading position in growth rate of land and labour use and also are in top three in growth rate of land area and total farm productivity. Cereals and fruits specialized farms also more than doubled labour productivity during the first decade after the EU’s Eastward enlargement but did not rank in the top three in this category.
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5

Drovnikov, A. N., and B. Yu Kalmykov. "ADAPTIVE DISTRIBUTION OF MOMENTS BETWEEN MODULES OF AGRICULTURAL TRANSPORT AND TECHNOLOGY MACHINES." In STATE AND DEVELOPMENT PROSPECTS OF AGRIBUSINESS. DSTU-PRINT, 2020. http://dx.doi.org/10.23947/interagro.2020.1.504-508.

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This article discusses a generalized model of a typical technological process of agricultural machinery, which is a multidimensional object subjected to random influences, with a complex relationship of input and output parameters. The study of adaptive torque distributors (AWP). Their structure has been studied, the ultimate goal of which is not so much analysis as synthesis of general or typical workstation structures. Such a generalization of the representation of AWP structures should be combined with a sufficient certainty of the notation and the effectiveness of practical use, including design variability and ease of use of design methods of design.
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Fales, Roger C., and Atul G. Kelkar. "H ∞ Loop-Shaping Control Design and Robustness Analysis of a Hydraulic Wheel Loader." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60202.

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Construction, earthmoving, and agricultural equipment manufacturers are moving toward building more and more equipment with electro-hydraulic control systems. The existing industry practices for the design of control systems in construction machines primarily rely on classical designs coupled with ad-hoc synthesis procedures. Such practices lack a systematic procedure to account for unavoidable plant uncertainties in the design process as well as coupled dynamics of the multi-input multi-output (MIMO) configuration. In this paper, an H-infinity loop shaping control design method is applied to a wheel loader with an electro-hydraulic control system. This tracking control design is used to provide an automatic bucket levelling feature for a wheel loader. A MIMO nonlinear model for an electrohydraulically actuated wheel loader linkage is considered. The robustness of the controller design is validated in simulation using a complete nonlinear model of the wheel loader linkage. The simulation results are presented for both an H-infinity loop shaping design and an LQG design. The LQG design is from previous work and presented here for comparison. The effects of varying fluid parameters such as bulk modulus are considered in a robust stability analysis. The stability robustness and performance are compared for the two controller designs.
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Boza, Jerry R., and Kapseong Ro. "Design and Validation of Electro-Hydraulic Pressure-Control Valves for Closed-Loop Controller Implementation." In ASME/BATH 2017 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fpmc2017-4311.

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Electro-hydraulic pressure-control valves are used in many applications, such as manufacturing equipment, agricultural machinery, and aircrafts to name a few. A traditional electro-hydraulic pressure-control valve regulates an output pressure for a corresponding input current by balancing solenoid force, spring force, and regulated pressure force. This results in a repeatable steady-state pressure output that is nearly proportional to the input current. This is helpful in open loop applications when one wants to achieve a consistent output pressure for a corresponding input current. The transient pressure response, however, is highly sensitive to the component tolerances and manufacturing processes as well as the fluid properties in the regulated volume, such as bulk modulus, viscosity, density, and aeration. These properties are often unknown in a system and can vary significantly from system to system and also during use in a typical application, making controllability difficult. Since there is variation in the steady-state pressure output for a given valve population, these valves are often calibrated in the end system to better achieve the desired output. This helps, but there is variation in this process, and also variation within a single valve over life. So although various attempts are made to minimize steady-state error, it will always exist and therefore closed loop control is desirable. Unfortunately, attempts at closed loop control of a traditional pressure-control valve often yield unacceptable and inconsistent performance. This is due to the sensitivity of the transient response to system characteristics, primarily fluid and mechanical properties of the regulated control port volume. The transient performance sensitivity of the valve can be reduced by de-coupling the regulated pressure dynamics from the spool dynamics. This will conversely increase the sensitivity of the steady state performance; however this can be solved through the implementation of a closed loop controller. In this paper a dynamic model is developed for a traditional pressure-control valve and different pressure-control valves without the traditional pressure balancing force. The new valve models are validated experimentally and then used to compare the performance characteristics of the valves. Linear analysis is performed on the validated models to further illustrate the impact of the system properties. The objective of this work is to develop a pressure-control valve with more consistent transient performance characteristics that are less sensitive to the system parameters so that a closed loop controller can be developed for the valve.
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Bartocci, Pietro, Gianni Bidini, Paolo Laranci, Mauro Zampilli, Michele D'Amico, and Francesco Fantozzi. "Environmental Impact on the Life Cycle for Turbine Based Biomass CHP Plants." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76856.

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Biomass CHP plants represent a viable option to produce distributed energy in a sustainable way when the overall environmental benefit is appraised on the whole life cycle. CHP plants for bioenergy conversion may consist of a gasification (IGC – Integrated Gasification Cycle) or pyrolysis (IPRP – Integrated Pyrolysis Regenerated Plant) pre-treatment unit, producing a syngas that feeds an internal combustion engine or a gas turbine. The external combustion mode is also an option, where exhaust gases from biomass combustion provide heat to either a traditional steam cycle, an ORC (Organic Rankine Cycle) or an EFGT (Externally Fired Gas Turbine). This paper focuses specifically on turbines based technologies and provides a LCA comparison of 4 main technologies suitable for the small scale, namely: EFMGT, ORC, IGC and IPRP. The comparison is carried out considering 3 different biomasses, namely a Short Rotation Forestry, an agricultural residue and an agro industrial residue at 2 different scales: micro scale (100 kw) and small scale (1 MW), being higher scales barely sustainable on the life cycle. From data derived from the Literature or experimental campaign (tests at the IPRP and gasification facilities at the University Perugia), LCA analysis were carried out and the different scenarios were compared based on two impact categories: global warming and human health. Input and output of the derived LCI are referred to the functional unit of 1 kWh electric for upstream, core and downstream processes. Results show the contribution of main processes and are discussed comparing scale, technology and feedstock.
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Reports on the topic "Agriculture Input-output analysis"

1

Nin Pratt, Alejandro, and Héctor Valdés Conroy. After the Boom: Agriculture in Latin America and the Caribbean. Inter-American Development Bank, 2020. http://dx.doi.org/10.18235/0002955.

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The convergence of a favorable macroeconomic environment and high prices of primary commodities between 2000 and 2011 contributed to the best performance of agriculture in Latin America and the Caribbean (LAC) since the 1980s, with steady growth of total factor productivity (TFP) and output per worker and a reduction in the use of input per worker. The end of the upward phase of the commodity cycle in 2011 together with less favorable external markets and a deterioration of the policy environment in several countries, motivates us to revisit the situation of agriculture in LAC in recent years to analyze how these changes have affected its performance. This study applies a framework that uses index numbers together with data envelopment analysis (DEA) to estimate levels of productivity and efficiency, incorporating technical change together with technical (TE) and environmental efficiency (EE) into the decomposition of TFP. The EE index adjusts the TFP measure for pollution, treating GHG emissions as a by-product of the desired crop or livestock outputs. TFP and efficiency of crop and livestock sub-sectors was calculated for 24 LAC countries from 2000 to 2016. Our results show that the period of fast agricultural growth in LAC, driven by technical change and resource reallocation, transformed agriculture in the region leaving it in a better position to cope with the more unfavorable regional macroeconomic environment and the less dynamic global markets observed after 2011.
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