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Literatura académica sobre el tema "Intermediate imputs"

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Tesis sobre el tema "Intermediate imputs"

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Yadav, Niru. "Essays in intermediate input imports." [Bloomington, Ind.] : Indiana University, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3290774.

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Thesis (Ph.D.)--Indiana University, Dept. of Economics, 2007.<br>Title from dissertation home page (viewed May 28, 2008). Source: Dissertation Abstracts International, Volume: 68-11, Section: A, page: 4804. Adviser: Ricardo A. Lopez.
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2

Sitchinava, Nino. "Trade in intermediate goods : trends, effects, and determinants /." Connect to title online (Scholars' Bank) Connect to title online (ProQuest), 2008. http://hdl.handle.net/1794/8416.

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Thesis (Ph. D.)--University of Oregon, 2008.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 159-164). Also available online in Scholars' Bank; and in ProQuest, free to University of Oregon users.
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3

Graham, Jennifer A. "Global climate impacts from changes in Antarctic Intermediate Water." Thesis, University of East Anglia, 2011. http://eprints.uea.ac.uk/36351/.

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Observations suggest that properties of Antarctic Intermediate Water (AAIW) are changing. The impact of these variations is explored using a series of idealised perturbation experiments. Two sets of ensembles have been used. The first varied initial atmospheric states; the second varied initial states in the ocean and atmosphere. The ensemble simulations were integrated over 120 and 100 years, respectively, altering AAIW from 10-200S in the Atlantic, Pacific and Indian oceans separately in a coupled climate model, HadCM3. Potential temperature was changed by ±1 DC, along with corresponding changes in salinity, maintaining constant potential density. There is a surface response to changes in AAIW in each of the three major ocean basins. When the water mass surfaces in the equatorial regions, there is no significant change in sea surface temperature (SST). However, there is a SST response when the anomalies surface at higher latitudes (>300). Anomalous sea-to-air heat fluxes leave density anomalies in the ocean. Resulting changes in ocean circulation cause responses to opposite perturbations to be nonlinear. In the Southern Ocean, changes in the meridional density gradient lead to changes in Antarctic Circumpolar Current transport. The North Atlantic is particularly sensitive, with density anomalies causing changes in the meridional overturning circulation of up to 1 Sv. Surfacing anomalies and changes in meridional ocean heat transport cause basin-wide changes in the surface ocean and overlying atmosphere on multi-decadal timescales. Cooling in the North Atlantic Current may be self-sustaining as it leads to high pressure anomalies in the overlying atmosphere, and increased wind stress over the sub-polar gyre. The spatial pattern of SST anomalies in the North Pacific resembles the Pacific Decadal Oscillation. Heat and salt distribution in the Indian Ocean is influenced by the Indonesian Through-Flow (ITF). Long-term trends in the ITF are caused by bottom pressure anomalies in the Pacific.
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4

Guedidi, Insaf. "Global value chains and deep trade agreements." Electronic Thesis or Diss., Paris 1, 2022. http://www.theses.fr/2022PA01E026.

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Ces dernières années, le phénomène de production de biens « Made in the World » a considérablement augmenté, entraînant une transformation économique progressive de la façon dont nous comprenons les processus de production (Antràs 2020). La présente thèse considère une variété de questions de recherche : La connectivité maritime et les procédures frontalières affectent-elles de la même manière le commerce des biens finaux et le commerce des intrants intermédiaires ? Quelle est l’importance de l’adoption d’Internet pour la participation aux Chaînes de Valeur Mondiales (CVM) ? Quel est l’impact du Taux de Change Effectif Réel (TCER) sur le commerce international et, plus précisément, sur le commerce des CVM ? Comment la participation aux CVM affecte-t-elle la pollution de l’air et quelle est l’importance des dispositions environnementales dans les accords commerciaux lors de l’analyse des implications environnementales des CVM ? Cette thèse vise à définir et d’analyser deux moteurs (dans le chapitre 2) et deux conséquences (dans les chapitres 3 et 4) de la participation aux CVM. Le chapitre 2 examine l’effet de la facilitation du commerce sur les échanges, plus particulièrement sur les Réseaux de Production Mondiaux (RPM). Il montre que la connectivité maritime est importante pour le commerce dans le cadre des RPM. En particulier, l’exportation de biens intermédiaires est fortement encouragée par des routes maritimes plus efficaces qui relient les différents acteurs des RPM. En outre, l’expédition de marchandises sans retard, des coûts réduits et des procédures simplifiées sont des éléments clés de la participation aux RPM. En outre, le chapitre 2 analyse l’impact d’Internet sur les CVM en Afrique. Il étudie l’effet de l’adoption d’Internet sur la participation en amont et en aval dans les CVM au niveau national et au niveau de l’entreprise. Les résultats montrent que l’utilisation d’Internet et l’infrastructure Internet sont importantes pour l’Afrique en termes de participation future aux CVM. Le chapitre soutient que les pays et les entreprises africains doivent améliorer l’infrastructure Internet afin de tirer le meilleur parti de l’intégration dans les CVM. Un niveau élevé d’intégration dans les CVM peut changer la façon dont nous interprétons l’impact du TCER sur les exportations brutes et le commerce des CVM en Tunisie. Ainsi, le chapitre 3 montre l’importance de calculer une nouvelle mesure du TCER basée sur les termes de la valeur ajoutée sectorielle pour tenir compte de l’importance croissante des CVM. Les résultats montrent que les effets du TCER sur le commerce des CVM diffèrent de son impact sur le commerce traditionnel. On constate que la part de la valeur ajoutée étrangère dans les exportations brutes atténue la réponse du TCER aux exportations. De plus, la prise en compte de l’hétérogénéité sectorielle est importante pour déterminer la compétitivité commerciale car les secteurs tunisiens participent aux CVM à différents niveaux. Le chapitre 4 se concentre sur la relation entre les émissions de polluants atmosphériques, les dispositions environnementales des accords commerciaux régionaux et les CVM. En examinant les effets de la participation aux CVM sur la qualité de l’environnement, le chapitre 4 a trouvé une relation en forme de U inversé entre le niveau de participation aux CVM et les émissions de polluants atmosphériques. Le chapitre prouve que la signature de plus d’accords commerciaux avec des lois environnementales réduit la pollution. Cependant, l’inclusion de dispositions environnementales dans les accords commerciaux ne garantit pas la qualité de l’environnement dans la région Moyen-Orient et Afrique du Nord (MENA)<br>In recent years, the phenomenon of producing “Made in the World” goods has increased dramatically, leading to a progressive economic transformation of the way we understand production processes (Antràs 2020). The present thesis considers a variety of research questions: Do maritime connectivity and border procedures affect the same way trade in final goods and trade in intermediate inputs? How important it is to adopt internet to Global Value Chains (GVCs) participation? What is the impact of the Real Effective Exchange Rate (REER) on international trade and, specifically, on GVC trade? How does GVC participation affect air pollution and what is the importance of environmental provisions in trade agreements when analyzing the environmental implications of GVCs? This thesis aims to define and analyze two drivers (in chapter 2) and two consequences (in chapters 3 and 4) of participation in GVCs. Chapter 2 examines the effect of trade facilitation on trade, more particularly on Global Production Networks (GPNs). It shows that maritime connectivity matters for trade under GPNs. In particular, exporting intermediate goods is highly encouraged by more efficient maritime routes which connect various participants of GPNs. Furthermore, shipping goods without delays, low costs, and simpler procedures are key elements of participation in GPNs. In addition, Chapter 2 analyses the impact of the internet on GVCs in Africa. It investigates the effect of internet adoption on forward participation and backward participation in GVCs at the country level and the firm level. Results show that internet use and internet infrastructure are important for Africa in terms of forward GVC participation. The chapter argues that African countries and firms need to improve internet infrastructure to make the best of integration into GVCs. High integration levels in GVCs can change the way we interpret REER response on gross exports and GVC trade in Tunisia. Thus, chapter 3 shows the importance of calculating a new measure of REER based on the sectoral value-added terms to account for the rising importance of GVCs. Results show that REER effects on GVC trade differ from its impact on traditional trade. It is found that foreign value-added (FVA) share in gross exports dampens the response of REER to exports. Moreover, accounting for sectoral heterogeneity is important to determine trade competitiveness because Tunisian sectors take part in GVCs at different levels. Chapter 4 focuses on the relationship between air pollutant emissions, environmental provisions in Regional Trade Agreements, and GVCs. Examining the effects of participation in GVCs on environmental quality, chapter 4 found an inverted U-shaped relation between the level of participation in GVCs and air pollutant emissions. The chapter proves that signing more trade agreements with environmental laws reduces pollution. However, including environmental provisions in trade agreements does not guarantee environmental quality in the Middle East and North Africa (MENA) region
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5

Brabson, Elizabeth Kaye. "Impacts of intermediate water formation in the North Pacific on Indonesian throughflow and equatorial thermocline depth a high latitude control for ENSO variability? /." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8464.

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Thesis (M.S.) -- University of Maryland, College Park, 2008.<br>Thesis research directed by: Dept. of Geology. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
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6

Ellinwood, Mark Chad. "Response of barrier island fish assemblages to impacts from multiple hurricanes: assessing resilience of Chandeleur Island fish assemblages to hurricanes Ivan (2004) and Katrina (2005)." ScholarWorks@UNO, 2008. http://scholarworks.uno.edu/td/870.

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Hurricanes can temporarily disrupt seasonal patterns of fish assemblage change or result in permanent changes in fish assemblages. I studied the effects of two hurricanes on fish assemblages at the Chandeleur Islands and the possible influence that storm-generated tidal channels may have on the composition of local fish assemblages. I also compared recently collected data to historic ichthyofaunal survey data collected over thirty years ago at the Chandeleur Islands. Near shore fish assemblages changed the most after hurricanes but changes in species composition were primarily due to increases in abundance and diversity. During July 2007 there was no significant difference between fish assemblages in channel and seagrass habitats, although significant differences among wash-over channels existed. Loss of habitat and the increased intensity and frequency of recent storms may explain why current fish assemblages at the Chandeleur Islands are less diverse (as measured by taxonomic distinctness) than assemblages collected during 1969-1971.
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7

Vohra, Shelly. "How Social Presence on Twitter Impacts Student Engagement and Learning in a Grade 8 Mathematics Classroom." ScholarWorks, 2016. https://scholarworks.waldenu.edu/dissertations/2430.

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Social media for personal use has evolved rapidly among adolescents, changing the way they communicate with each other. However, little research has been conducted about how teachers use social media in the classroom to improve student learning. The purpose of this qualitative study was to describe how social presence on Twitter impacts student engagement and learning when a mathematics teacher integrates this social media tool into an instructional unit. The conceptual framework was based on social presence theory developed by Short, Williams, and Christie. This qualitative study used a single case study design. Participants included 6 students and 1 classroom teacher in a Grade 8 mathematics course at a public middle school in a Canadian province. Data were collected from multiple sources including individual interviews, reflective journal responses from the teacher and students, documents such as course standards, and artifacts such as student tweets. Data were analyzed in the following way: interview and reflective journal data were coded for categories using the constant comparative method, and documents and artifacts were reviewed to identify emergent themes and discrepant data. Findings for this study indicated that Twitter had a positive impact on student engagement and learning of data management concepts. This study contributes to positive social change by providing a deeper understanding of how social media tools such as Twitter encourage students to create communities of learners to support each other during the learning process.
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8

Sun, Xiangfei. "Modeling the Biota Population Impact on Polychlorinated Biphenyls Transport and Simulating PCBs Anaerobic Biodegradation in the Lake System." Research Showcase @ CMU, 2018. http://repository.cmu.edu/dissertations/1148.

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9

Phillips, Benjamin W. "The Ecological Impacts of Non-Native Annual and Native Perennial Floral Insectaries on Beneficial Insect Activity Density and Arthropod-Mediated Ecosystem Services Within Ohio Pumpkin (Cucurbita pepo) Agroecosystems." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1374181106.

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10

Aldman, Lili-Annè. "En merkantilistisk början : Stockholms textila import 1720–1738." Doctoral thesis, Uppsala University, Department of Economic History, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8645.

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<p>The purpose of this thesis is to, from an institutional approach, study how the Stockholm importers within the textile sector adapted their foreign trade to the change in economic policy 1720 through 1738. The focus is to investigate to what extent the introduction of new laws, regulations etc. can be an explanation for what happened to Stockholm’s foreign trade, mainly imports, particularly textile imports during the period. It is mainly the economic policies that had been enacted during the Hornian government and their effects that have been studied. This is a period that has seldom been studied in other research.</p><p>This thesis begins when the Russian raids were over. This was a year when the foreign trade still was relatively free and was untouched by the 17th century’s regulations. After 1721 the policies that would be introduced to increase Sweden's level of self-sufficiency and strengthen ties with the North Sea area had several components. Besides the economic policy, the main sources for the thesis are the city toll records.</p><p>The trade policies in the shape of tolls and fees, import and consumption bans etc. and the commercial policies together became different kinds of political tools used for several purposes. The conclusion of this thesis is that the economic policies made the Stockholm importers adapt their trade to the change. The import bans and sumptuary laws had an effect. The economic policies gave rise to an increase in the import of textile raw materials. The rise in toll costs and import fees contributed to displacing the foreign trade towards other areas. The change in the economic policies was successful in the sense that it gave rise to new conditions for domestic production within the textile sector and forced Stockholm's importers to adapt their foreign trade.</p>
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