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This paper offers a new economic explanation for the observed inter-industry differences in the size distribution of firms. The empirical estimates-based on three temporal (1982, 1987, and 1992) cross-sections of the four-digit United States manufacturing industries-indicate that increased market contestability, as signified by low sunk costs, tends to reduce the dispersion of firm sizes. These findings provide support for one of the key predictions of the theory of contestable markets: that market forces under contestability would tend to render any inefficient organization of the industry unsustainable and, consequently, tighten the distribution of firms around the optimum.

Access to Markets --- Affiliated organizations --- Debt Markets --- Economic performance --- Economic reform --- Economic Theory & Research --- Industry --- Market access --- Markets and Market Access --- Multinational firms --- Water and Industry

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This paper proposes a new framework to analyze aid effectiveness. Using World Bank firm survey data and OECD aid flow data, the authors analyze whether aid targets areas that firms in developing countries have identified as obstacles for their growth and whether aid actually improves firms' perceptions of those areas. The analysis finds that aid does target the areas that firms have identified as obstacles; aid funding trade related projects is particularly effective in targeting the correct countries. For the most part, aid has a positive impact on improving firms' perceptions, particularly in the business environment. And for each target area, smaller aid disbursements tend to be more effective at improving firm perceptions than larger disbursements.

World Bank --- Affiliated organizations --- Capital investment --- Developing countries --- Development Economics & Aid Effectiveness --- Disability --- Environmental Economics & Policies --- Environments --- Gender and Health --- School Health --- World Development Indicators

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Fiscal responsibility laws are institutions with which multiple governments in the same economy-national and subnational-can commit to help avoid irresponsible fiscal behavior that could have short-term advantages to one of them but that would be collectively damaging. Coordination failures with subnational governments in the 1990s contributed to macroeconomic instability and led several countries to adopt fiscal responsibility laws as part of the remedy. The paper analyzes the characteristics and effects of fiscal responsibility laws in seven countries-Argentina, Australia, Brazil, Canada, Colombia, India, and Peru. Fiscal responsibility laws are designed to address the short time horizons of policymakers, free riders among government units, and principal agent problems between the national and subnational governments. The paper describes how the laws differ in the specificity of quantitative targets, the strength of sanctions, the methods for increasing transparency, and the level of government passing the law. Evidence shows that fiscal responsibility laws can help coordinate and sustain commitments to fiscal prudence, but they are not a substitute for commitment and should not be viewed as ends in themselves. They can make a positive contribution by adding to the collection of other measures to shore up a coalition of states with the central government in support of fiscal prudence. Policymakers contemplating fiscal responsibility laws may benefit from the systematic review of international practice. One common trait of successful fiscal responsibility laws for subnational governments is the commitment of the central government to its own fiscal prudence, which is usually reinforced by the application of the law at the national as well as the subnational level.

Access to Finance --- Affiliated Organizations --- Banks & Banking Reform --- Comparator Countries --- Debt Markets --- Economic Performance --- Law and Development --- Policy Environment --- Public Sector Economics --- Rule of Law --- Subnational Economic Development

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Adaptation has long been neglected in the debate and policies surrounding climate change. However, increasing awareness of climate change has led many stakeholders to look for the best way to limit its consequences and has resulted in a large number of initiatives related to adaptation, particularly at the local level. This report proposes a general economic framework to help stakeholders in the public sector to develop effective adaptation strategies. To do so, it lays out the general issues involved in adaptation, including the role of uncertainty and inertia, and the need to consider structural changes in addition to marginal adjustments. Then, it identifies the reasons for legitimate public action in terms of adaptation, and four main domains of action: the production and dissemination of information on climate change and its impacts; the adaptation of standards, regulations and fiscal policies; the required changes in institutions; and direct adaptation actions of governments and local communities in terms of public infrastructure, public buildings and ecosystems. Finally, the report suggests a method to build public adaptation plans and to assess the desirability of possible policies.

Adaptation to Climate Change --- Affiliated Organizations --- Climate Change Economics --- Climate Change Mitigation and Green House Gases --- Economic Performance --- Output --- Policy Environment --- Public Sector Development --- Science of Climate Change --- Structural Adjustment --- Wetlands

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This paper compares how results using various methods to construct asset indices match results using per capita expenditures. The analysis shows that inferences about inequalities in education, health care use, fertility, child mortality, as well as labor market outcomes are quite robust to the specific economic status measure used. The measures-most significantly per capita expenditures versus the class of asset indices-do not, however, yield identical household rankings. Two factors stand out in predicting the degree of congruence in rankings between per capita expenditures and an asset index. First is the extent to which per capita expenditures can be explained by observed household and community characteristics. In settings with small transitory shocks to expenditure, or with little measurement error in expenditure, the rankings yielded by the alternative approaches are most similar. Second is the extent to which expenditures are dominated by individually consumed goods such as food. Asset indices are typically derived from indicators of goods which are effectively public at the household level, while expenditures are often dominated by food, an almost exclusively private good. In settings where private goods such as food are the main component of expenditures, asset indices and per capita consumption yield the least similar results, although adjusting for economies of scale in household expenditures reconciles the results somewhat.

Affiliated organizations --- Assets --- Debt Markets --- Durable goods --- Economic Theory and Research --- Expenditures --- Finance and Financial Sector Development --- Health Systems Development and Reform --- Health, Nutrition and Population --- Human Development --- Income --- Investment and Investment Climate --- Labor market --- Macroeconomics and Economic Growth --- Population Policies --- Public Disclosure --- Statements --- Yield