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Power market integration is analyzed in a two-country model with nationally regulated firms and costly public funds. If the generation costs between the two countries are too similar, negative business stealing outweighs efficiency gains so that the subsequent integration welfare decreases in both regions. Integration is welfare enhancing when the cost difference between two regions is large enough. The benefits from export profits increase the total welfare in the exporting country, whereas the importing country benefits from lower prices. In this case, market integration also improves incentives to invest compared to autarky. The investment levels remain inefficient, however, especially for transportation facilities. Free riding reduces incentives to invest in these public-good components of the network, whereas business stealing tends to decrease the capacity to finance new investment.

Competition --- Electricity --- Investment --- Macroeconomics and Economic Growth --- Market integration --- Regulation

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This paper describes how different policy distortions have been impeding better integration of Brazil's external and internal product markets and discusses how these distortions have prevented domestic firms from benefiting from multiple sources of efficiency gains. The paper first focuses on the costs of barriers to global integration, followed by an overview of policy induced stringencies hampering domestic integration. Drawing from general and partial equilibrium analyses, the paper also provides evidence of potential impacts of removing some of those distortions and discusses policy options to promote better allocation of resources across the economy. The main conclusion of the paper is that Brazil could gain significantly from opening to foreign trade. Yet, for Brazil to take full advantage of the opportunities that external integration offers, domestic markets also need to function better, so it is key to ensure that the removal of external barriers to integration is coordinated with the removal of internal distortions to domestic market integration.

Access To Markets --- International Economics And Trade --- Macroeconomics And Economic Growth --- Market Integration --- Productivity --- Trade Liberalization

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This paper presents asymptotic theory and Monte-Carlo simulations comparing maximum-likelihood bivariate probit and linear instrumental variables estimators of treatment effects in models with a binary endogenous treatment and binary outcome. The three main contributions of the paper are (a) clarifying the relationship between the Average Treatment Effect obtained in the bivariate probit model and the Local Average Treatment Effect estimated through linear IV; (b) comparing the mean-square error and the actual size and power of tests based on these estimators across a wide range of parameter values relative to the existing literature; and (c) assessing the performance of misspecification tests for bivariate probit models. The authors recommend two changes to common practices: bootstrapped confidence intervals for both estimators, and a score test to check goodness of fit for the bivariate probit model.

Econometrics --- Educational Technology and Distance Education --- Growth Rates --- International Economics & Trade --- Market Integration --- Output --- Regulatory Environment --- Science Education --- Scientific Research & Science Parks --- Statistical & Mathematical Sciences

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Over the last three decades, China's product, labor, and capital markets have become gradually more integrated within its borders, although integration has been significantly slower for capital markets. There remains a significant urban-rural divide, and Chinese cities tend to be under-sized by international standards. China has also integrated globally, initially through the Special Economic Zones on the coast as launching grounds to connect with world markets, and subsequently through the accession to the World Trade Organization. For future policy considerations, this paper argues that its economic production needs to be spatially concentrated, and its social services need to be spread out to the interior to ensure harmonious development and domestic integration (through inclusive rural-urban transformations and effective territorial development).

Access to Finance --- Banks & Banking Reform --- Capital Markets --- Debt Markets --- Economic Theory & Research --- Economic Zones --- Emerging Markets --- Finance and Financial Sector Development --- International Standards --- Market Integration --- Private Sector Development --- World Trade Organization --- China

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This paper examines the effects of market integration on household consumption using data on seven food and two energy markets across South Sudan. The analysis reveals that markets in South Sudan are highly segmented. Price differences for narrowly defined products, across cities exceed in some cases 100 percent. In addition, price volatility increased substantially following the imposition of the trade restrictions with Sudan. This increase tends to hurt disproportionately the poor, who cannot smooth purchasing decisions over time because of liquidity constraints. Transportation costs explain almost half of the variation in food prices across space, and improving the quality of roads has a large potential to reduce prices in the most expensive towns. On the basis of this price effect, the simulations suggest that bringing all road quality across states to that of primary roads can yield a reduction in poverty from the rate of 51.7 percent in 2009 to between 42.8 and 46.9 percent. These estimates have to be interpreted as conservative, as they do not take into account the second-order effects of road construction from increased trade that will result from better road connectivity.

Access to Markets --- Economic Theory & Research --- Emerging Markets --- International Economics & Trade --- Macroeconomics and Economic Growth --- Market Integration --- Markets & Market Access --- Poverty --- Prices --- Private Sector Development --- Roads --- Transport --- Transport Economics Policy and Planning --- South Sudan