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Investments in transport infrastructure lower trade costs and lead to integration of villages with urban markets. Does spatial market integration increase land inequality in rural areas Theoretical analysis by Braverman and Stiglitz (1989) suggests that the interactions of lower trade costs with credit market imperfections can increase land inequality. The primary mechanism is the adoption of increasing returns technology by large landowners facing lower trade costs which makes it more profitable to expand their scale by buying land from small, credit-constrained farmers. Using high- quality household survey data (the India Human Development Survey) on land ownership in rural districts of India, this paper provides the first evidence on the effects of market integration on land ownership inequality.

Economies of scale.

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Does economic size matter for economic development outcomes? If so are current policies adequately addressing the role of size in the development process? Using working age population as a proxy for country size, Open and Nimble, systematically analyzes what makes small economies unique. Small economies are not necessarily prone to underdevelopment and in fact can achieve very high income levels. Small economies, however, do tend to be highly open to both international trade and foreign direct investment, have highly specialized export structures, and have large government expenditures relative to their Gross Domestic Product. The export structures of small economies are concentrated in a few products or services and in a small number of export destinations. In turn, this export concentration is associated with terms of trade volatility, which combined with high exposure to international trade, implies that small economies tend to face more volatility on average as external volatility permeates national economic life. Yet small economies tend to compensate for their export concentration by being nimble in the sense of being able to change their production and export structure relatively quickly over time. Moreover, limited territory plays a role in shaping how economies are affected by natural disasters, even when the probability of facing such disasters is not necessarily higher among small than among large economies. The combination of large governments with macroeconomic volatility seems to be associated with low national savings rates in small economies. This combination could be a challenge for long-term growth if productivity growth and foreign investment do not compensate for low domestic savings. The book finishes with some thoughts on how policy makers can respond to these issues through coordinated investments and regional integration efforts, as well as fiscal policy reforms aimed at both increasing public savings and conducting countercyclical fiscal policies.

Economies of scale.

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"Local government size varies dramatically around the world. In Sudan, Cote d'Ivoire, and the United Kingdom, municipalities average more than 125,000 people. Those in many European countries have less than 10,000 people. Countries often consider consolidation of local governments as a means to lower service delivery costs, improve service quality, enhance accountability, improve equity, or expand participation in government. The authors review a number of theoretical arguments and empirical findings concerning the size of sub-national governments. Countries should not presume that amalgamation will solve problems because benefits and costs are situation specific. Success depends on many factors, including getting incentives right for the various players and managing the transition properly. The effects on costs must be examined in terms of all changes occurring with consolidation, including geographic size. Size economies appear service specific and are most likely to result for infrastructure intensive services such as water and sewerage. Size economies are less likely for services such as education that are provided in numerous small production units near the population. Also, the potential for savings depends on other factors, such as willingness to eliminate redundant workers. Consolidation reduces the potential for local government competition, which appears to enhance service quality but not necessarily overall government size. There is some evidence that citizens are more willing to be involved in larger governments, but trust may fall with government size. Larger governments can improve regional planning by handling problems with a broader geographic perspective and giving the government more influence with national policymakers. "--World Bank web site.

Economies of scale. --- Local government

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Industrial economics --- Cement industries --- Economies of scale --- Location --- Case studies --- Cement industries - Location - Great Britain - Case studies --- Economies of scale - Case studies

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This is a book on general equilibrium in which firms are allowed to exhibit increasing returns to scale (more precisely, in which the convexity of production sets is not assumed). As such, it provides a full fledged general equilibrium model and analyzes the chief questions concerning existence and optimality. Increasing returns is a topic which many economists find it to be simultaneously very imponant, very difficult and very discouraging. It is very important because it refers to a well established technological phenomenon which is essentially incompatible with the functioning of competitive markets. It is very difficult because the standard concepts and tools for the analysis fail (in particular, the supply mappings are not well defined). It is very discouraging because the available models do not seem to solve the basic questions: Normative models where nonconvex firms follow marginal pricing do not achieve efficient outcomes, and positive models cannot incorporate monopolistic competition as a way of defming the behavior of those firms with increasing returns to scale. I would like to think that this monograph will contribute to show that "the increasing returns question" is neither too difficult nor too discouraging. Concerning the difficulty, it will be shown that the analysis can be carried out with essentially the same tools as those applicable to the standard competitive model. As for the relevance of the results available, let me point out the following.

Microeconomics --- Economies of scale --- Equilibrium (Economics) --- Management --- Business & Economics --- Management Styles & Communication --- Mathematical models --- Mathematical models.