General Equilibrium Impacts In Imperfect Agricultural Markets

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General Equilibrium Impacts In Imperfect Agricultural Markets

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Author : Anubhab Gupta
language : en
Publisher:
Release Date : 2019

General Equilibrium Impacts In Imperfect Agricultural Markets written by Anubhab Gupta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

My dissertation evaluates the general equilibrium effects of agricultural market structures by examining how market power and capacity constraints of downstream intermediaries shape the economy-wide impacts of agricultural program interventions. I construct an integrated general equilibrium model of agricultural market structure and calibrate the model using original household-level survey- and industry-data from the Tanzanian cotton industry to estimate the direct and spillover effects of technological improvements in cotton production when the downstream cotton ginners have market power in purchasing cotton from farmers. Chapter 2 of my dissertation reviews the three strands of economic literature into which this work fits and contributes: demand-side constraints in agricultural markets, in particular, limited capacities and imperfect competition among downstream intermediaries, welfare distribution of downstream market structure in agriculture, and general equilibrium effects of policy interventions in local economies. In Chapter 3, I develop the integrated general equilibrium model of market structure by explicitly allowing for intermediary market power and their capacity constraints, and capturing local-economy general equilibrium effects. Chapter 4 presents the original household-level data from the Western Cotton Growing Area of Tanzanian and the ginners’ industry-level data, and explores the existing coalitions of cotton ginners, their contractual agreements with cotton farmers, spatial and temporal dimensions of cotton purchase, and the costs of producing lint. In Chapter 5, I discuss the empirical strategy of econometric estimations of inputs needed to parameterize the integrated model. Using ginners’ cost data on processing inputs, I non-parametrically estimate their market power to be 0.28 in cotton purchase, which is akin to a scenario as if the ginners are playing a three-four firm Cournot game. Chapter 6 presents the direct and indirect (spillover) effects of ginners’ market power, and estimates the income and production impacts of higher cotton productivity experiment with imperfectly competitive ginners and compares that to the synthetic case of perfect competition. I find that the total real income of the Western Cotton Growing Area reduces by 3.1 percent due to ginners’ market power with heterogeneous welfare impacts for the different cotton and non-cotton producing households. The income (inflation-adjusted) gains in the entire local economy are reduced from 5.9 to 2.4 percent due to ginners’ market power upon the 25 percent cotton productivity increase. The direct income increases of technology improvement for the cotton producers are reduced by 2.2 to 5.6 percentage points, and the indirect income increases for the non-cotton producing households are reduced by 0.5 to 0.8 percentage points. The methodology presented in my dissertation applies to both developed and developing country agricultural settings. The findings from this dissertation have important implications for agricultural program evaluations to consider the negative effects of market power and to assess the impacts through a local economy angle. Evaluations based on a partial equilibrium analysis typically overlook the agricultural spillovers. I also highlight the importance of intermediary capacities in agriculture in determining the welfare of upstream farmers and their local economy. When intermediaries operate at their maximum processing capacities, direct welfare gains and income spillovers of technological improvements in agricultural production are unambiguously negative for the farmers, and all the benefits of innovation are transmitted to the intermediaries. A realistic analysis of policies aimed at raising welfare in rural economies must consider effects of market power and downstream capacity constraints. Taking these effects into account opens up new policy considerations and opportunities, including the benefits of laws limiting or proscribing anticompetitive behavior to prevent formation of mergers and coalitions downstream from farms. Introducing interventions to ensure a more elastic demand for farm products when intermediaries are capacity constrained could complement other welfare-enhancing programs that governments undertake in potent and dynamic – yet easily overlooked – ways.

Applied General Equilibrium And Economic Development

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Author : Jean Mercenier
language : en
Publisher: University of Michigan Press
Release Date : 1994

Applied General Equilibrium And Economic Development written by Jean Mercenier and has been published by University of Michigan Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Business & Economics categories.

"Traditional tools of analysis that focus on particular commodities or sectors, a particular time frame, and aggregate diverse socioeconomic groups are ill-suited to analyze the consequences of the economic reforms of the last ten years. This volume shows the greater power and relevance of applied general equilibrium methods." "Through discussion of several major policy issues - agricultural and food policy, economies of scale in production and the associated market imperfections, macrostabilization programs, and modeling intertemporal tradeoffs - the contributors present work representative of the major trends in applied general equilibrium modeling of developing-country issues. Policy analysis using a rich variety of static, recursive, and intertemporal dynamic models is illustrated with problems from a number of developing countries in Africa, Asia, and Latin America. The countries studied range widely in their institutional features, stages of development, and economic size."--BOOK JACKET.Title Summary field provided by Blackwell North America, Inc. All Rights Reserved

Market Structure And Trade Policy In Developing Countries

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Author : Benoît Dostie
language : en
Publisher:
Release Date : 1996

Market Structure And Trade Policy In Developing Countries written by Benoît Dostie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Competition categories.

Efficiency Competition And Welfare In African Agricultural Markets

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Author : Lauren Falcao Bergquist
language : en
Publisher:
Release Date : 2017

Efficiency Competition And Welfare In African Agricultural Markets written by Lauren Falcao Bergquist and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with categories.

African agricultural markets are characterized by large variation in prices across regions and over the course of the season, suggesting poor market integration. This thesis explores the barriers that prevent various market actors from engaging in ecient arbitrage. Using exper- imental evidence and original survey data, I test for the existence of market failures that may limit integration and measure the ecacy of potential remedies to these market failures. In the first chapter, I quantify the degree of competition among the intermediates responsible for agricultural trade. In the second chapter, I explore whether entry by new intermediaries can enhance market competition. In the final chapter, Marshall Burke, Edward Miguel, and I test whether missing credit markets contribute to farmers' inability to arbitrage sea- sonal price fluctuations. Together, these three essays contribute to our understanding of agricultural market eciency, competition, and barriers to arbitrage. Each chapter employs experimental tests motivated by - and designed to speak directly to - economic theory. The first two chapters use randomized controlled trials to identify model parameters, while the third uses these trials to quantify general equilibrium effects and measure how such effects can shape the individual-level impacts of interventions. Methodologically, these essays exploit the clean causal identification generated by randomized controlled trials in new ways, in an attempt to shed light on the underlying organization of market institutions. The first chapter of this thesis estimates the level of competition among intermediaries in Kenyan agricultural markets. There has long been concern that the wedge between the low price farmers receive for their produce and the high price consumers pay for their food - and the resulting loss in producer and consumer welfare - are driven in part by imperfect competition among the intermediaries that connect them. However, there has been little definitive evidence on the market structure in which these intermediates are acting. A lack of record-keeping on the part of traders precludes accounting assessments of profits. Further, identifying clean cost shocks and tracing pass-through is made dicult by the ubiquitous nature of production and consumption of agricultural commodities, which drives co-movement in supply and demand. The first chapter overcomes these challenges by providing experimental estimates of pass- through and demand, key parameters governing the competitive environment of these markets. I identify these parameters using two randomized control trials that are tightly linked to a model of market competition. In the first experiment, I reduce the marginal costs of traders in randomly selected markets by offering to traders a subsidy per bag sold. I find that only 22% of this cost reduction is passed through to consumers. A second experiment offers randomized price discounts to consumers and measures corresponding quantities purchased in order to elicit the curvature of demand that traders face. I employ these estimates in a structural model of competition and optimal pricing to identify the level of competition among intermediaries. This exercise reveals a high degree of collusion among intermediaries, with large implied losses to consumer welfare and overall market efficiency. The second chapter explores the impact of one natural policy response to this low level of competition: greater firm entry. In order to identify the impact of firm entry on competition, I randomly incentivize the entry of new traders into markets. I find limited benefit for consumers, as prices decrease only 1% in response to entry by one new trader. By capturing the resulting effect on local market prices, I identify the implied change in the competitive environment due to entry. This is most consistent with a model in which entrants are able to readily enter into collusive agreements with incumbents, suggesting that market power is robust to entry in this context. The third chapter explores the barriers that limit arbitrage by farmers. Large and regular seasonal price fluctuations in local grain markets appear to offer African farmers substantial inter-temporal arbitrage opportunities, but these opportunities remain largely unexploited: small-scale farmers are commonly observed to "sell low and buy high" rather than the reverse. In a field experiment in Kenya, Marshall Burke, Edward Miguel, and I show that credit market imperfections limit farmers' abilities to move grain intertemporally, and that providing timely access to credit allows farmers to purchase at lower prices and sell at higher prices, increasing farm profits. To understand general equilibrium effects of these changes in behavior, we vary the density of loan offers across locations. We document significant effects of the credit intervention on seasonal price dispersion in local grain markets, and show that these general equilibrium effects strongly affect our individual level profitability estimates. In contrast to existing experimental work, our results indicate a setting in which microcredit can improve firm profitability, and suggest that general equilibrium effects can substantially shape estimates of microcredit's effectiveness. Taken together, these results suggest that considerable ineciencies exist in African agricultural markets. I find that agricultural traders in Kenya have considerable market power, and that marginal changes in market entry are unlikely to induce significant changes in competition. We further find that incomplete credit markets limit farmers' ability to arbitrage seasonal price fluctuations, and that the isolation of local markets reduces the sustainability of the financial products that may be necessary to encourage such arbitrage. These results have implications for the incidence of technological and infrastructure changes in African agriculture and for the policy responses aimed at improving the market environment.

Global Uncertainity And The Volatility Of Agricultural Commodities Prices

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Author : Bertrand Munier
language : en
Publisher: IOS Press
Release Date : 2012

Global Uncertainity And The Volatility Of Agricultural Commodities Prices written by Bertrand Munier and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with Business & Economics categories.

"The recent global financial crisis exposed the serious limitations of existing economic and financial models. Not only did macro models fail to predict the crisis, they seemed incapable of explaining what was happening to the economy. Policymakers felt abandoned by the conventional tools of the now obsolete Washington consensus and the World Trade Organization's oversimplified faith in free markets. The traditional models for agricultural commodities have so far failed to take into account the uncertain character of the global agricultural economy and its ferocious consequences in food price volatility, the worst in 300 years, yielding hunger riots throughout the world. This book explores the elements which could help to close this fundamental modeling gap. To what extent should traditional models be questioned regarding agricultural commodities? Are prices on these markets foreseeable? Can their evolution be either predicted or convincingly simulated, and if so, by which methods and models? Presenting contributions from acknowledged experts from several countries and backgrounds - professors at major international universities or researchers within specialized international organizations - the book concentrates on four issues: the role of expectations and capacity of prediction; policy issues related to development strategies and food security; the role of hoarding and speculation and finally, global modeling methods. The book offers a renewed wisdom on some of the core issues in the world economy today and puts forward important innovations in analyzing these core issues, among which the modular modeling design, the Momagri model being a seminal example of it. Reading this book should inspire fruitful revisions in policy-making to improve the welfare of populations worldwide."--Publisher's website.

Imperfect Markets In Agricultural Trade

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Author : Alex F. McCalla
language : en
Publisher:
Release Date : 1981

Imperfect Markets In Agricultural Trade written by Alex F. McCalla and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Business & Economics categories.

Modeling Developing Countries Policies In General Equilibrium

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Author : Jaime De Melo
language : en
Publisher: World Scientific
Release Date : 2015-02-26

Modeling Developing Countries Policies In General Equilibrium written by Jaime De Melo and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-02-26 with Political Science categories.

Policies affecting resource allocation across tradable sectors and those affecting the incentives to produce tradable activities are key determinants of macroeconomic balance and growth. Computable general equilibrium models have made significant contributions to both types of policies. With advancements in computing power and software, these models have become easy to implement and are now widespread. The question then is when and how to formulate them to avoid the ‘black box’ syndrome.This book seeks to address these issues through carefully selected essays that analyse how to model general equilibrium linkages in a single economy, across developing and developed economies, and across both micro and macro policies. Micro policies examined include tariffs quotas and VERs, the choice of taxes to maximize government revenue, migration and remittances, and the political economy of tariff setting. Applications on macro policies cover capital inflows, real exchange rate determination, and the modeling of the effects of adjustment policies on income distribution.The book provides insights on the development of a family of models for diverse policy choices, focusing on the ways to model the following: links between tradable and non-tradable activities, labor markets, and portfolio choices given limited capital mobility. Selected essays are all inspired by specific policy problems, including the adaptation to external shocks (i.e. oil), consequences of capital inflows, determinants of migration and associated remittances, the productivity of foreign aid, and rent-seeking activities under trade regimes with non-price trade restrictions. Examples in this book lay out the theoretical foundations, alongside a variety of applications, to help formulate coherent and transparent models for policy analysis. Archetype economies are extensively used to show how differences in economic structure influence the effects of policies. Graduate students and policy analysts interested in modeling will find this a useful compendium of studies.

General Equilibrium Analysis Of Supply And Factor Returns In U S Agriculture 1949 91

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Author : Gopinath Munisamy
language : en
Publisher:
Release Date : 1995

General Equilibrium Analysis Of Supply And Factor Returns In U S Agriculture 1949 91 written by Gopinath Munisamy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Agriculture categories.

Applied General Equilibrium Analysis Of India S Tax And Trade Policy

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Author : Sameer R. Rege
language : en
Publisher: Routledge
Release Date : 2018-10-24

Applied General Equilibrium Analysis Of India S Tax And Trade Policy written by Sameer R. Rege and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-24 with Business & Economics categories.

This title was first published in 2003. India's tax revenues depend on manufacturing while agriculture and services generate employment. WTO's Uruguay and Doha rounds imply large tariff cuts. This affects the competitiveness of the Indian manufacturing sector and has implications for government deficits. Excessive dependence on indirect taxes and subsidies to regulate markets introduces distortions and is incompatible with free market principles. The book analyses welfare implications of fiscal and trade policies for India. To put the results in perspective, developments in trade theory, public finance and Computable General Equilibrium (CGE) modelling are covered. Theoretical results are juxtaposed with empirical findings from these models. Methodology to construct CGE models is also covered. The trade model covers tariff cuts under various assumptions besides incorporating "new trade theory". As tax reforms and tariff cuts are independent, past tax reforms like MODVAT (MODified VAT) and proposed reforms like VAT, elimination/reduction of subsidies are covered using a separate tax model.

Risky Agricultural Markets

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Author : Pasquale L Scandizzo
language : en
Publisher: Westview Press
Release Date : 1984-12-05

Risky Agricultural Markets written by Pasquale L Scandizzo and has been published by Westview Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-12-05 with Business & Economics categories.