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Author: Klaus W. Deininger
Publisher: World Bank Publications
ISBN:
Category : Agriculture and state
Languages : en
Pages : 44
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Book Description
The authors develop a model of land leasing with agents characterized by unobserved heterogeneity in ability and presence of an off-farm labor market. In this case, decentralized land rental may contribute to equity and efficiency goals and may have several advantages over administrative reallocation. The extent to which this is true empirically is explored using data from three of China's poorest provinces. The authors find that both processes redistribute land to those with lower endowments but that land rental markets are more effective in doing so and also have a larger productivity-enhancing effect than administrative reallocation, implying that more active land rental markets would allow producers to realize significant productivity gains. At the same time, the presence of a large number of producers whose participation in rental markets remains constrained suggests that efforts to reduce transaction costs in land rental markets would be warranted.
Author: Klaus W. Deininger
Publisher: World Bank Publications
ISBN:
Category : Agriculture and state
Languages : en
Pages : 44
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Book Description
The authors develop a model of land leasing with agents characterized by unobserved heterogeneity in ability and presence of an off-farm labor market. In this case, decentralized land rental may contribute to equity and efficiency goals and may have several advantages over administrative reallocation. The extent to which this is true empirically is explored using data from three of China's poorest provinces. The authors find that both processes redistribute land to those with lower endowments but that land rental markets are more effective in doing so and also have a larger productivity-enhancing effect than administrative reallocation, implying that more active land rental markets would allow producers to realize significant productivity gains. At the same time, the presence of a large number of producers whose participation in rental markets remains constrained suggests that efforts to reduce transaction costs in land rental markets would be warranted.
Author: Klaus Deininger
Publisher:
ISBN:
Category :
Languages : en
Pages : 39
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Book Description
Deininger and Jin develop a model of land leasing with agents characterized by unobserved heterogeneity in ability and presence of an off-farm labor market. In this case, decentralized land rental may contribute to equity and efficiency goals and may have several advantages over administrative reallocation. The extent to which this is true empirically is explored using data from three of China's poorest provinces. The authors find that both processes redistribute land to those with lower endowments but that land rental markets are more effective in doing so and also have a larger productivity-enhancing effect than administrative reallocation, implying that more active land rental markets would allow producers to realize significant productivity gains. At the same time, the presence of a large number of producers whose participation in rental markets remains constrained suggests that efforts to reduce transaction costs in land rental markets would be warranted.This paper - a product of Rural Development, Development Research Group - is part of a larger effort in the group to assess the impact of policy on land markets.
Author:
Publisher: World Bank Publications
ISBN:
Category : AIDS (Disease)
Languages : en
Pages : 40
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Book Description
This study assesses the potential demand by the public sector for a preventive HIV/AIDS vaccine in Brazil and the costs of alternative strategies for a vaccination program. Brazil has a mature AIDS epidemic: the percent of the population living with HIV or AIDS (about 0.6 percent of adults) is not as high as in other severely affected developing countries, but infection rates in specific risk groups in the population are very high and HIV has spread beyond these groups into the general population of low-risk individuals. Preventive HIV/AIDS vaccines are still in the testing stage. The characteristics of the first vaccines developed, in terms of their efficacy, duration of effectiveness, ease of administration, and price, are still unknown. But the potential benefits of such a vaccine in Brazil would be high. The study reviews the cost and impact of HIV/AIDS in Brazil, in terms of disease and economic burden, as a proxy for the benefits of an HIV/AIDS vaccine. The epidemiology of AIDS and Brazil's experience with immunization coverage with other vaccines are used to assess the number of vaccines, delivery strategies, and possible costs of an HIV/AIDS immunization program in Brazil, assuming the availability of a 100 percent effective AIDS vaccine that lasts a lifetime under different pricing and dosing assumptions. A low-cost, highly effective vaccine would likely be affordable to an upper-middle-income country like Brazil and yield large benefits from a policy of universal, publicly subsidized immunization. But if prices are higher and the impact less favorable, the costs and effects would have to be compared with other AIDS prevention programs or other health interventions. Both political and economic considerations will likely figure into public policy on HIV/AIDS vaccination, when such a vaccine is developed.
Author: Ronald Hood
Publisher: World Bank Publications
ISBN:
Category : Budget
Languages : en
Pages : 20
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Book Description
This paper examines the issue of estimating recurrent costs associated with capital projects in the investment budget. It is intended to help overcome budget planning problems which give rise to the chronic under-funding of maintenance and operating costs typical in some developing economies. The objective is to provide guidance in the preparation of budget submissions so that information on the future recurrent cost implications of today's capital spending is quantified in a way that supports the authorities in making project selection and budget decisions. The paper is in three parts. The first part outlines some concepts and definitions involved in measuring recurrent costs. The second part provides stylized examples of individual projects. And the third part presents some rough empirical guidance drawn from a sample of actual investment projects.
Author: Klaus W. Deininger
Publisher: World Bank Publications
ISBN:
Category : Agriculture
Languages : en
Pages : 40
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Book Description
Even though it is widely recognized that giving farmers more secure land rights may increase agricultural investment, scholars contend that, in the case of China, such a policy might undermine the function of land as a social safety net and, as a consequence, not be sustainable or command broad support. Data from three provinces, one of which had adopted a policy to increase security of tenure in advance of the others, suggest that greater tenure security, especially if combined with transferability of land, had a positive impact on agricultural investment and, within the time frame considered, led neither to an increase in inequality of land distribution nor a reduction in households' ability to cope with exogenous shocks. Household support for more secure property rights is increased by their access to other insurance mechanisms, suggesting some role of land as a safety net. At the same time, past exposure to this type of land right has a much larger impact quantitatively, suggesting that a large part of the resistance to changed property rights arrangements disappears as household familiarity with such rights increases.
Author:
Publisher: World Bank Publications
ISBN:
Category :
Languages : en
Pages : 36
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Book Description
Author: Shahidur R. Khandker
Publisher: World Bank Publications
ISBN:
Category :
Languages : en
Pages : 40
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Book Description
Author: Yohan Payan
Publisher: World Bank Publications
ISBN: 0128040602
Category : Medical
Languages : en
Pages : 44
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Book Description
Biomechanics of Living Organs: Hyperelastic Constitutive Laws for Finite Element Modeling is the first book to cover finite element biomechanical modeling of each organ in the human body. This collection of chapters from the leaders in the field focuses on the constitutive laws for each organ. Each author introduces the state-of-the-art concerning constitutive laws and then illustrates the implementation of such laws with Finite Element Modeling of these organs. The focus of each chapter is on instruction, careful derivation and presentation of formulae, and methods. When modeling tissues, this book will help users determine modeling parameters and the variability for particular populations. Chapters highlight important experimental techniques needed to inform, motivate, and validate the choice of strain energy function or the constitutive model. Remodeling, growth, and damage are all covered, as is the relationship of constitutive relationships of organs to tissue and molecular scale properties (as net organ behavior depends fundamentally on its sub components). This book is intended for professionals, academics, and students in tissue and continuum biomechanics. Covers hyper elastic frameworks for large tissue deformations Considers which strain energy functions are the most appropriate to model the passive and active states of living tissue Evaluates the physical meaning of proposed energy functions
Author: Branko Milanovi?
Publisher: World Bank Publications
ISBN:
Category : Convergence (Economics)
Languages : en
Pages : 40
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Book Description
Some economists have argued that the process of disintegration of the world economy between the two world wars led to income divergence between the countries. This is in keeping with the view that economic integration leads to income convergence. The paper shows that the view that the period 1919-39 was associated with divergence of incomes among the rich countries is wrong. On the contrary, income convergence continued and even accelerated. Since the mid-19th century, incomes of rich countries tended to converge in peacetime regardless of whether their economies were more or less integrated. This, in turn, implies that it may not be trade and capital and labor flows that matter for income convergence but some other, less easily observable, forces like diffusion of information and technology.
Author: Giuseppe Nicoletti
Publisher: World Bank Publications
ISBN:
Category : Antitrust law
Languages : en
Pages : 68
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Book Description
In this paper, we relate the scope and depth of regulatory reforms to growth outcomes in OECD countries. By means of a new set of quantitative indicators of regulation, we show that the cross-country variation of regulatory settings has increased in recent years, despite extensive liberalisation and privatisation in the OECD area. We then look at the regulation-growth linkage using data that cover a large set of manufacturing and service industries over the past two decades. We focus on multifactor productivity (MFP), which plays a crucial role in GDP growth and accounts for a significant share of its cross-country variance. We find evidence that reforms promoting private governance and competition (where these are viable) tend to boost productivity. Both privatisation and entry liberalisation are estimated to have a positive impact on productivity. In manufacturing the gains are greater the further a given country is from the technology leader, suggesting that regulation limiting ...
