Academic literature on the topic 'Valuation methods yield'
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Journal articles on the topic "Valuation methods yield"
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Heller, J., and Daria Zlachevskaia. "Is it possible to improve methods of intellectual property valuation?" Zeszyty Teoretyczne Rachunkowości 45, no. 2 (June 21, 2021): 161–86. http://dx.doi.org/10.5604/01.3001.0014.9568.
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Purpose: The purpose of this study is to identify ways to improve or simplify the quality and accuracy of IP valuations via accounting regulation improvements. Methodology/approach: This research relies on qualitative research methods such as case law analysis and comparative research of accounting standards and approaches. Findings: Evidence from this study points towards the conclusion that financial statements currently only reflect a historic financial record of the particular business, profoundly biased by a conservative tangible assets perspective. The central thesis of this study is that it makes sense to adopt a comprehensive intellectual property valuation strategy to ascertain the specific value of the intangible assets since the comprehensive application of valuation models is likely to yield superior results to using them separately. Research limitations/implications: Although the proposed approach seeks to bring more clarity to the valuation process while simplifying the appraisal of intellectual property assets, its efficacy is subject to increased transparency, a maturing intellectual property market, and credible data availability. Originality/value: This study makes a valuable contribution to research on methods that facilitate accurate intellectual property valuation while offering an alternative valuation model which combines the strengths of individual valuation models.
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Uwaifiokun, Vincent. "Application of Contemporary Equated Yield and Dcf Explicit Growth Methods in the Valuation of Over-Rented Properties in a Recessionary Period: A Case Study of Nigeria." Real Estate Management and Valuation 26, no. 3 (September 1, 2018): 35–50. http://dx.doi.org/10.2478/remav-2018-0023.
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Abstract Valuations have always been time specific and, if properly undertaken, are supposed to give a true reflection of property market conditions at any given point in time. In periods of economic decline, when properties are leased or tend to exchange hands at rents or prices lower than their true market value, a need to capture the explicit growth rate associated with an instability in the property market arises. With the Nigerian economy currently facing its worst recession in years, the onus is on valuers to adopt contemporary methods of valuation which seek to mirror the true situation of the property market at any point in time; something which, hitherto, conventional methods of valuations have failed to do. This paper therefore takes a pilot survey of the types of investment valuation models currently adopted by valuers when carrying out valuations of reversionary properties in a recession. The study seeks to highlight the knowledge gap of valuers, both in practice and in the academia, concerning the use of the Equated yield and DCF explicit growth method of valuation, and hence enlighten them and the general public on its use as a more appropriate method of valuing properties during a downturn.
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HUBAR, Yu, V. SAI, O. HULKO, and A. MARCHENKO. "Current state of development of agricultural land assessment methods." Modern achievements of geodesic science and industry 42, no. II (September 1, 2021): 118–26. http://dx.doi.org/10.33841/1819-1339-2-42-118-126.
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Purpose of this research is to improve the methods of valuation of agricultural land. Today, the moratorium on the purchase and sale of agricultural land has been lifted and sale of agricultural land is increasingly raised and therefore the problem of establishing an objective (market) price for agricultural land is relevant, because increasing the level of their use is an objective necessity and condition for the gradual development of society [Hubar Yu., 2020]. Methodology. A significant contribution to the study of the theory and methods of land valuation was made by A. S. Danilenko, Yu. F. Dekhtyarenko, Yu. P. Hubar, A. G. Martin, M. G. Stupen, A. M. Tretyak, G. V. Cherevko. Instead, the formation and improvement of methodological bases for the monetary valuation of agricultural land paid attention to G. D. Gutsulyk, D. S. Dobriak, О. S. Dorosh, O. F. Kovalishin. Emphasis was placed on the shortcomings of the economic assessment conducted in the Soviet period I. K. Bystryakov, S. I. Doroguntsov, Hubar Yu. P., A. M. Tretyak, M. A. Hvesyk and others. However, despite the considerable amount of scientific research in which the land was considered a means of production, tools and objects of labor (which in the current environment is insufficient), little studied and debatable are the value of land as a whole system with all its properties. This is due to the fact that agricultural land is mostly assessed differently according to the available dominant indicators (yield, value of gross output). This does not build a hierarchy on the importance of other indicators. The complexity and versatility of the problem of land valuation require the continuation and deepening of scientific research in this area. Results. The study is based on the general principles of economic and mathematical modeling, mathematical statistics, econometrics, basic and applied research. The information base of the research consisted of scientific works of domestic and foreign scientists in the field of real estate appraisal, land and city cadastres, statistics, ecology. The issue of land pricing is complex and multifaceted, the development of the land market depends on its solution. Therefore, further research should be aimed at improving the valuation of agricultural land. This process should be based on state service, taking into account the economic and political situation. This will ensure after the lifting of the moratorium on the disposal of agricultural land, the creation of a competitive environment in the land market, the objectivity of the assessment and increase the flow of funds to the state budget. Scientific novelty and practical significance. The performed researches will allow to improve the quality of determining the market value of agricultural lands for further development of land reform in Ukraine. The most important results of the study are: generalization of scientific provisions for the implementation of land valuation works and methodological approaches to determining the value of agricultural land; highlighting the disadvantages and advantages of modern methods of agricultural land valuation; proving the importance of taking into account environmental factors in the assessment of land arising from the activities of agricultural production; substantiation of the need to assess land plots with a set of physical properties of soils and spatial conditions of their implementation; development of methods for assessing the normative yield of grain crops on the basis of dynamic and statistical simulation modeling and software for its spatial implementation. It is established that the use of market-based prices will allow to make informed management decisions during the implementation of land reform in Ukraine. Individuals and legal entities on the basis of the proposed developments will be able to assess the investment attractiveness of agricultural land.
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Smith, V. Kerry. "Some Issues in Discrete Response Contingent Valuation Studies." Northeastern Journal of Agricultural and Resource Economics 14, no. 1 (April 1985): 1–4. http://dx.doi.org/10.1017/s0899367x00000696.
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The use of survey or contingent valuation methods to estimate an individual's valuation of non-marketed goods, especially environmental resources, has attracted increasing attention in recent years. Initially, research efforts in this area were viewed by a majority of the economics profession with considerable skepticism. However, with the increased need for information on individuals’ valuation of a whole range of environmental resources and limitations on the ability of indirect market-based methods for valuing all of these resources, there has been a substantial increase in the use of contingent valuation methods to provide this information. Indeed, a recent state-of-the-art assessment (see Cummings et al. [1984]) of the contingent valuation method (CVM) has been able to develop a set of reference operating conditions under which it was reasonable to expect the CVM approach would yield estimates with accuracy that was approximately comparable to the indirect methods. Clearly the definition of these conditions is a judgmental one. Nonetheless, it was based on a substantial number of comparative studies evaluating the relationship between CVM and indirect market estimates of the benefits associated with changes in specific environmental resources. Moreover, it does reflect the changing attitude toward the CVM approach. It is therefore particularly appropriate to consider new directions in the development of the contingent valuation method.
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Gilbert, Scott Dale. "The Value of Future Earnings in Perfect Foresight Equilibrium." Journal of Forensic Economics 22, no. 1 (January 1, 2011): 21–41. http://dx.doi.org/10.5085/jfe.22.1.21.
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Abstract The present work considers the problem of valuing a future income stream in a perfect foresight economy. In this setting, with competitive equilibrium in labor and asset markets, market valuation of labor-generated income streams can be very simple. However, it can also be undone by moral hazard, in which case valuation may be based instead on fair compensation. I show that perfect foresight valuation emerges somewhat imperfectly in the forensic economics literature. To apply this type of valuation, the economist must form an expectation E[P] about perfect foresight price P. I consider several models of this expectation, some of which yield standard present value equations. I find that, while standard equations “fit” historical data well in some respects, they miss some dynamics that are better captured by more advanced econometric methods.
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DEWYNNE, J. N., and N. EL-HASSAN. "THE VALUATION OF SELF-FUNDING INSTALMENT WARRANTS." International Journal of Theoretical and Applied Finance 20, no. 04 (May 2017): 1750025. http://dx.doi.org/10.1142/s021902491750025x.
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We present two models for the fair value of a self-funding instalment warrant. In both models we assume the underlying stock process follows a geometric Brownian motion. In the first model, we assume that the underlying stock pays a continuous dividend yield and in the second we assume that it pays a series of discrete dividend yields. We show that both models admit similarity reductions and use these to obtain simple finite-difference and Monte Carlo solutions. We use the method of multiple scales to connect these two models and establish the first-order correction term to be applied to the first model in order to obtain the second, thereby establishing that the former model is justified when many dividends are paid during the life of the warrant. Further, we show that the functional form of this correction may be expressed in terms of the hedging parameters for the first model and is, from this point of view, independent of the particular payoff in the first model. In two appendices we present approximate solutions for the first model which are valid in the small volatility and the short time-to-expiry limits, respectively, by using singular perturbation techniques. The small volatility solutions are used to check our finite-difference solutions and the small time-to-expiry solutions are used as a means of systematically smoothing the payoffs so we may use pathwise sensitivities for our Monte Carlo methods.
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d'Amato, Maurizio, Nikolaj Siniak, and Giulia Mastrodonato. "“Cyclical assets” and cyclical capitalization." Journal of European Real Estate Research 12, no. 2 (August 8, 2019): 267–88. http://dx.doi.org/10.1108/jerer-05-2018-0022.
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Purpose The purpose of this study is providing a possible methodological solution to the valuation of cyclical.assets. International Valuation Standards introduce a brand new definition of property: the cyclical asset (International Valuation Standards Council 2017, IVS 105, p. 39 and p. 41). Among different property valuation methods, normally this kind of properties is appraised using income approach. In this group of methodology, the opinion of value is based on a proportional relationship between property value and rent. In the past years, a group of methods called cyclical capitalization has been proposed (d’Amato, 2003; d’Amato, 2013;d’Amato, 2015; d’Amato, 2017a; d’Amato 2017 b; d’Amato, 2017c). This method proposes an integration between property valuation and property market cycle. Design/methodology/approach Cyclical capitalization method is applied using a time series of property market rent of offices in prime location in the South Bank area in London. It consists of the determination of more than one all-risk yield to reproduce the property market cycle. Findings A comparison between the cyclical capitalization and two traditional capitalization rate shows how the proposed model is able to provide a stable opinion of value. Research limitations/implications The method may represent a contribution for the determination of the value of cyclical assets or for the mortgage lending value. Practical implications This paper provides the possibility to have a property valuation method less sensitive to upturn and downturn of the property market. Social implications The valuation based on cyclical capitalization are less sensitive to the upturn and the downturn of the market. Originality/value It is one of the first scientific paper addressing the problem of the determination of the value of cyclical assets.
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Sanz, Blanca, Jukka Malinen, Vesa Leppänen, Rubén Valbuena, Tuomo Kauranne, and Timo Tokola. "Valuation of growing stock using multisource GIS data, a stem quality database, and bucking simulation." Canadian Journal of Forest Research 48, no. 8 (August 2018): 888–97. http://dx.doi.org/10.1139/cjfr-2017-0172.
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Customer-oriented production as a sawmill strategy requires up-to-date information on the available raw material resources. Bucking is a process in which the tree stem is divided into products based on the roundwood user’s needs regarding products and their quality and dimensions. Optimization methods are employed in bucking to recover the highest value of the stem for a given product price matrix and requested length–diameter distribution. A method is presented here for assessing the value of harvestable timber stands based on their product yield. Airborne laser scanning, multispectral imagery, and field plots were used to produce timber statistics for a grid covering the target area. The statistics for the plots were generated from this grid. The value of the estimated tree list was assessed using a bucking-to-value simulator together with a stem quality database. Different product yield simulations in terms of volumes, timber assortment recoveries, wood paying capabilities (WPC) and value estimations based on the presented method, and extensive field measurements were compared. As a conclusion, this method can estimate WPC for pulpwood and sawlogs with root mean squared errors of 32.7% and 38.5%, respectively, relative to extensive field measurements.
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Feuereisel, J. "Game appreciation in legislative conditions of the Czech Republic." Journal of Forest Science 49, No. 12 (January 16, 2012): 575–79. http://dx.doi.org/10.17221/4726-jfs.
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An analysis was made of the present situation concerning game appreciation in the Czech Republic. A study was conducted into effective laws and regulations related to the valuation of nature. There is no legally binding directive for game appreciation in the Czech Republic at the present time. A questionnaire method (Contingent Valuation Method – CVM) was used to survey the activities of all 87 authorised experts in game management currently registered in the Czech Republic. It was found out that the game is appreciated as property, which contradicts to its legal status (res nullius). The most frequently used methods of game appreciation are a yield (demand) method and a comparative method. It is necessary to establish legal conditions under which the social value of all game species and other wildlife could be determined in order to ensure their survival and to strengthen the tools of their protection. The legislation in force authorises the Ministries of Agriculture and of the Environment of the Czech Republic to issue a relevant decree.
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Tan, Xin, and Sorin A. Tuluca. "Cash Conversion Cycle: Which One and Does It Matter?" International Journal of Accounting and Financial Reporting 9, no. 4 (October 11, 2019): 64. http://dx.doi.org/10.5296/ijafr.v9i4.15529.
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In the present study, we attempt to investigate the information validity of an important financial metric, the cash conversion cycle (CCC.) A survey of scholarly papers and textbooks reveals that multiple methods to compute the CCC components are employed. Based on a relatively large dataset for six public companies, we explore two of the different methods and their effect on the resulting CCC value. We find that the means of the time series of the two methods over 20 years have only mild statistically significant differences. However, there are important differences in several annual periods for some of the firms analyzed. Since financial managers and financial analysts use the CCC for decision-making, analysis and valuation purposes, the findings of this research represent a warning that the CCC computations might not yield reliable conclusions, as they are dependent on the input used in the calculations.
Dissertations / Theses on the topic "Valuation methods yield"
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Hart, Dominik. "Vliv informací a času na hodnotu podniku." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-113222.
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The aim of this thesis is to discuss the issues of real-world company valuation. For this purposes a valuation of Shell Czech Republic a.s. in period from 1/1/2010 to 1/5/2012 is provided to inform a potential exogenous investor, who has no access to insider information. The valuation is based on yield methods built on present value of future cash-flows. These methods are FCFF (Free Cash-Flow to the Firm), FCFE (Free Cash-Flow to the Equity), DDM (Dividend Discount Model) or a method of flows connected to EVA (Economic Value Added). Analysis shows the future growth potential and discount rates have the main influence on the company value.
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Vedra, Ivo. "Ocenění konkrétního podniku." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-232827.
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Maximizing the market value of a company should be one of the fundamental goals of each company. At present there are several methods to calculate the market value of the company. The fundamental problem of the thesis is based on the study available to Czech and foreign literature and apply acquired knowledge in the valuation of a specific company. This thesis will analyze the current situation, financial and strategic analysis, financial plan, the discount rate and application of appropriate valuation methods on ABC Company Ltd. The result will be a subjective determination of enterprise value.
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Churavá, Jana. "Ocenění podniku FORTEX – AGS, a.s. - výnosovými metodami." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2009. http://www.nusl.cz/ntk/nusl-222387.
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The aim of this thesis is to estimate the value of the firm FORTEX – AGS, a.s. by using the yield valuation methods. The theoretical part defines a firm and its value, the reasons for valuation, it presents a list of particular methods used for valuation and specifies the procedure of a firm valuation. The practical part deals with the characteristics of the above mentioned firm, provides with the results of the strategic and financial analysis, and presents a proposal of a strategic financial plan and the valuation of that firm.
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Dostál, Jiří. "Oceňování podniku." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2012. http://www.nusl.cz/ntk/nusl-223372.
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The subject of this master’s thesis is estimation of company value. Theoretical part defines basic concepts such as value, categories of value, company, financial analysis and methods of valuation. The practical part deals with strategic analysis, financial analysis and estimation of real company market value by profit method of discounted cash flow.
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Hubálková, Zuzana. "Ocenění podniku Hanácké železárny a pérovny, a.s." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-232788.
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Master’s thesis deal with a determine the value of firm Hanácké železárny a pérovny, a.s. Theoretical part defines the analysis of external and internal potential and financial situation of the company. According to the analysis of generators value was written a financial plan. Closing part contains the valuatin of the firm by choosing yield valution methods.
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Solodilova, Liudmyla. "Cena stavebního podniku a jeho pozice na trhu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-227069.
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The main aim of this master’s thesis is determining the company's value by using yield valuation methods – discounted cash flow (DCF) and economic value addend (EVA) and also by property approach. The theoretical part of the thesis bases on valuation and description of basic methods of valuation. The practical part consists of strategic and financial analysis, and business valuation TOPGEO BRNO, spol. s.r.o. In conclusion is recommendation for the company to maintain its position on the market.
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Melšová, Lucie. "Oceňování podniku." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2015. http://www.nusl.cz/ntk/nusl-224922.
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The subject of this master´s thesis is estimation of company value. Theoretical part defines basic concepts such as company, value, categories of value and methods of valuation. Practical part includes estimation of real company value based on valuation of assets and based on the yield method. The practical part also includes analyses of the external and internal environment of the company.
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Palasová, Lenka. "Oceňování stavebního podniku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225541.
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Master`s thesis named „Evaluation of Building Company“ is focused on the explanation of the concept of value and his various forms and use, the definition of procedure of evaluation of company, some parts of the procedure are broken down, but the main part of this thesis is a description of used methods of evaluation of company. In the practical part particular company is evaluated by selected methods based on statements of accounts and other obtained information.
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Polách, Petr. "Stanovení hodnoty firmy Adelita, s. r. o." Master's thesis, Vysoká škola ekonomická v Praze, 2014. http://www.nusl.cz/ntk/nusl-192599.
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The aim of this thesis is to determine market value of company Adelita, s.r.o. to January 1st 2015 for management of the company for potential sale of part of or whole company. Theoretical part will present methodologies for company valuation, practical part then financial and strategic analysis followed by creation of financial plan and valuation by method of discounted cash flow.
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Skříček, Jiří. "Ocenění společnosti." Master's thesis, Vysoká škola ekonomická v Praze, 2015. http://www.nusl.cz/ntk/nusl-201749.
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The aim of this thesis is to evaluate the company to January 1st 2015 on entity basis with purpose for management decisions. Theoretical part will define methodology for business valuation, followed by practical part where financial and strategic analysis will be done, creation of financial plan and valuation by yield method DCF.
Book chapters on the topic "Valuation methods yield"
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Shapiro, Eric, David Mackmin, and Gary Sams. "Property yields." In Modern Methods of Valuation, 126–37. Twelfth edition. | Abingdon, Oxon ; New York, NY : Routledge, 2019.: Estates Gazette, 2019. http://dx.doi.org/10.1201/9781315145419-8.
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Manzi, Hilda, and Joseph P. Gweyi-Onyango. "Agro-ecological Lower Midland Zones IV and V in Kenya Using GIS and Remote Sensing for Climate-Smart Crop Management." In African Handbook of Climate Change Adaptation, 1–27. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-42091-8_35-1.
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AbstractFood production in Kenya and Africa in recent past has experienced vagaries of weather fluctuations which ultimately have affected crop yield. Farming in Kenya is localized in specific Agro-ecological zones, hence understanding crop growth responses in particular regions is crucial in planning and management for purposes of accelerating adoption. A number of strategies for adoption and adaptation to changing weather patterns have been deployed yet only limited challenges have been partially addressed or managed. This chapter examines previous methods used in classifying agro-ecological zones and further provides additional insightful parameters that can be adopted to enable farmers understand and adapt better to the current variable and unpredictable cropping seasons. The chapter scrutinizes past and current documented information on agro-ecological zonal valuations coupled with the use of earth observation components such as air temperature at surface, land surface temperature, evapotranspiration, soil, temperature, and soil and moisture content in order to better understand and effectively respond to new phenomena occurring as a result of climate change in the marginal agricultural areas. Significant variations in precipitation, ambient temperature, soil moisture content, and soil temperature become evident when earth observation data are used in evaluation of agro-ecological lower midland zones IV and V. The said variations cut across areas within the agro-ecological zones that have been allocated similar characteristics when assigning cropping seasons. The chapter summarizes the outcomes of various streams of contributions that have reported significant shifts or changes in rainfall and temperature patterns across Kenya and wider Eastern Africa region. The chapter highlights the need for re-evaluation of the agro-ecological zones based on the recent earth observation datasets in their diversity. The research emphasizes the use of multiple climate and soil-related parameters in understanding climate change in the other marginal areas of Kenya.
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Manzi, Hilda, and Joseph P. Gweyi-Onyango. "Agro-ecological Lower Midland Zones IV and V in Kenya Using GIS and Remote Sensing for Climate-Smart Crop Management." In African Handbook of Climate Change Adaptation, 965–91. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_35.
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AbstractFood production in Kenya and Africa in recent past has experienced vagaries of weather fluctuations which ultimately have affected crop yield. Farming in Kenya is localized in specific Agro-ecological zones, hence understanding crop growth responses in particular regions is crucial in planning and management for purposes of accelerating adoption. A number of strategies for adoption and adaptation to changing weather patterns have been deployed yet only limited challenges have been partially addressed or managed. This chapter examines previous methods used in classifying agro-ecological zones and further provides additional insightful parameters that can be adopted to enable farmers understand and adapt better to the current variable and unpredictable cropping seasons. The chapter scrutinizes past and current documented information on agro-ecological zonal valuations coupled with the use of earth observation components such as air temperature at surface, land surface temperature, evapotranspiration, soil, temperature, and soil and moisture content in order to better understand and effectively respond to new phenomena occurring as a result of climate change in the marginal agricultural areas. Significant variations in precipitation, ambient temperature, soil moisture content, and soil temperature become evident when earth observation data are used in evaluation of agro-ecological lower midland zones IV and V. The said variations cut across areas within the agro-ecological zones that have been allocated similar characteristics when assigning cropping seasons. The chapter summarizes the outcomes of various streams of contributions that have reported significant shifts or changes in rainfall and temperature patterns across Kenya and wider Eastern Africa region. The chapter highlights the need for re-evaluation of the agro-ecological zones based on the recent earth observation datasets in their diversity. The research emphasizes the use of multiple climate and soil-related parameters in understanding climate change in the other marginal areas of Kenya.
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"Yield." In Modern Methods of Valuation, 127–41. Estates Gazette, 2012. http://dx.doi.org/10.4324/9780080937564-15.
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"Yield." In Modern Methods of Valuation, 101–12. Estates Gazette, 2012. http://dx.doi.org/10.4324/9780080971179-17.
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Fernández, Pablo. "Price Per Share, Market Capitalization, Earnings Per Share (EPS), Dividend Yield and PER of the Companies Included in the Euro Stoxx 50 on 30 May 2001." In Valuation Methods and Shareholder Value Creation, 70–72. Elsevier, 2002. http://dx.doi.org/10.1016/b978-012253841-4.50005-6.
Full textConference papers on the topic "Valuation methods yield"
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Madi, Jamal A., and Elhadi M. Belhadj. "Unconventional Shale Play in Oman: Preliminary Assessment of the Shale Oil / Shale Gas Potential of the Silurian Hot Shale of the Southern Rub al-Khali Basin." In SPE Middle East Unconventional Resources Conference and Exhibition. SPE, 2015. http://dx.doi.org/10.2118/spe-172966-ms.
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Abstract Oman's petroleum systems are related to four known source rocks: the Precambrian-Lower Cambrian Huqf, the Lower Silurian Sahmah, the Late Jurassic Shuaiba-Tuwaiq and the Cretaceous Natih. The Huqf and the Natih have sourced almost all the discovered fields in the country. This study examines the shale-gas and shale-oil potential of the Lower Silurian Sahmah in the Omani side of the Rub al Khali basin along the Saudi border. The prospective area exceeds 12,000 square miles (31,300 km2). The Silurian hot shale at the base of the Sahmah shale is equivalent to the known world-class source rock, widespread throughout North Africa (Tannezouft) and the Arabian Peninsula (Sahmah/Qusaiba). Both thickness and thermal maturities increase northward toward Saudi Arabia, with an apparent depocentre extending southward into Oman Block 36 where the hot shale is up to 55 m thick and reached 1.4% vitrinite reflectance (in Burkanah-1 and ATA-1 wells). The present-day measured TOC and estimated from log signatures range from 0.8 to 9%. 1D thermal modeling and burial history of the Sahmah source rock in some wells indicate that, depending on the used kinetics, hydrocarbon generation/expulsion began from the Early Jurassic (ca 160 M.a.b.p) to Cretaceous. Shale oil/gas resource density estimates, particularly in countries and plays outside North America remain highly uncertain, due to the lack of geochemical data, the lack of history of shale oil/gas production, and the valuation method undertaken. Based on available geological and geochemical data, we applied both Jarvie (2007) and Talukdar (2010) methods for the resource estimation of: (1) the amount of hydrocarbon generated and expelled into conventional reservoirs and (2) the amount of hydrocarbon retained within the Silurian hot shale. Preliminary results show that the hydrocarbon potential is distributed equally between wet natural gas and oil within an area of 11,000 square mile. The Silurian Sahmah shale has generated and expelled (and/or partly lost) about 116.8 billion of oil and 275.6 TCF of gas. Likewise, our estimates indicate that 56 billion of oil and 273.4 TCF of gas are potentially retained within the Sahmah source rock, making this interval a future unconventional resource play. The average calculated retained oil and gas yields are estimated to be 6 MMbbl/mi2 (or 117 bbl oil/ac-ft) and 25.3 bcf/mi2 (or 403 mcf gas/ac-ft) respectively. To better compare our estimates with Advanced Resources International (EIA/ARI) studies on several Silurian shale plays, we also carried out estimates based on the volumetric method. The total oil in-place is 50.2 billion barrels, while the total gas in-place is 107.6 TCF. The average oil and gas yield is respectively 7 MMbbl/mi2 and 15.5 bcf/mi2. Our findings, in term of oil and gas concentration, are in line or often smaller than all the shale oil/gas plays assessed by EIA/ARI and others.
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Deligkas, Argyrios, Erez Karpas, Ron Lavi, and Rann Smorodinsky. "Traffic Light Scheduling, Value of Time, and Incentives." In Twenty-Seventh International Joint Conference on Artificial Intelligence {IJCAI-18}. California: International Joint Conferences on Artificial Intelligence Organization, 2018. http://dx.doi.org/10.24963/ijcai.2018/659.
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We study the intersection signalling control problem for cars with heterogeneous valuations of time (VoT). We are interested in a control algorithm that has some desirable properties: (1) it induces cars to report their VoT truthfully, (2) it minimizes the value of time lost for cars waiting at the intersection, and (3) it is computationally efficient. We obtain three main results: (1) We describe a computationally efficient heuristic forward search approach to solve the static problem. Simulation results show that this method is significantly faster than the dynamic-programming approach to solve the static problem (which is by itself polynomial time). We therefore believe that our algorithm can be commercially implemented. (2) We extend the solution of the static problem to the dynamic case. We couple our algorithm with a carefully designed payment scheme which yields an incentive compatible mechanism. In other words, it is the best interest of each car to truthfully report its VoT. (3) We describe simulation results that compare the social welfare obtained by our scheduling algorithm, as measured by the total value of waiting time, to the social welfare obtained by other intersection signalling control methods.