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Soft budget constraints. --- Transition. --- Trade policy. --- Oligopoly.

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January 2000 - In Bulgaria and other transition economies, liquidity constraints and hence access to external funds must be seen in the context of soft budget constraints and the financial system's failure to enforce the efficient allocation of funds. Liquidity constraints in Bulgaria may be seen as a sign of financial weakness. Budina, Garretsen, and de Jong use firm level data on Bulgaria to investigate the impact of liquidity constraints on firms' investment performance. Internal funds are an important determinant of investment in most industrial economies. The authors use a simple accelerator model of investment to test whether liquidity constraints are relevant in Bulgaria's case. Their estimates are based on data for 1993-95, before Bulgaria's financial crisis of 1996-97. It turns out that Bulgarian firms are liquidity-constrained and that firms' size and financial structure help to distinguish between firms that are more and less liquidity-constrained. In the authors' view, liquidity constraints in transition economies should be interpreted in different ways than those in industrial economies. In Bulgaria, liquidity constraints and hence access to external funds should be seen in the context of soft budget constraints and the financial system's failure to enforce the efficient allocation of funds. The relationship between liquidity constraints and firm characteristics may actually be the opposite of what is normally the case in industrial countries. In Bulgaria, lack of liquidity constraints may be a sign of financial weakness. This paper - a product of Macroeconomics and Growth, Development Research Group - is part of a larger effort in the group to study transition economies. The authors may be contacted at nbudina@worldbank.org, h.garretsen@bw.kun.nl or e.dejong@bw.kun.nl.

Banks and Banking Reform --- Budget --- Budget Constraints --- Capital Markets --- Cash Flow --- Debt Markets --- Economic Theory and Research --- Emerging Markets --- Finance --- Finance and Financial Sector Development --- Financial Crisis --- Financial Institutions --- Financial Intermediation --- Financial Literacy --- Financial Market --- Financial Structure --- Financial System --- Financial Weakness --- Investment --- Investment Function --- Investment Projects --- Liquidity --- Liquidity Constraints --- Macroeconomics and Economic Growth --- Market --- Market Economies --- Market Economy --- Private Sector Development --- Transition Economies

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The authors constructed a standard computable general equilibrium (CGE) model to explore the economic impact of increased spending on infrastructure in six African countries: Benin, Cameroon, Mali, Senegal, Tanzania, and Uganda. The basic elements of the model are drawn from EXTER, adjusted to accommodate infrastructure externalities. Seven sectors were considered: food crop agriculture, export agriculture, mining and oil, manufacturing, construction, private services, and public services. Four sets of simulations were conducted: baseline nonproductive investments, roads, electricity, and telecoms. For each set of simulations, five funding schemes were considered: reduced public expenditure; increased value-added taxes; increased import duties; funding from foreign aid; and increased income taxes. In general, the funding schemes had similar qualitative and quantitative effects on macro variables. For road and electricity investment, there were relatively large quantitative differences and some qualitative differences among funding schemes at the macro level. Sectoral analysis revealed further disparities among countries and investment types. The same type of investment with the same funding sources had varying effects depending on the economic structure of the sector in question. The authors find that few sectors are purely tradable or non-tradable, having instead variable degrees of openness to trade. If the current account needs to be balanced, funding investment through foreign aid produces the strongest sectoral effects because strong price and nominal exchange rate adjustments are needed to clear the current account balance. In addition, the capital/labor ratio of each sector plays an important role in determining its winners and losers.

Adverse effect --- Agriculture --- Budget constraints --- Comparative analysis --- Debt Markets --- Economic sectors --- Economic structure --- Economic structures --- Economic Theory & Research --- Elasticity --- Emerging Markets --- Equilibrium --- Exports --- Externalities --- Externality --- Finance and Financial Sector Development --- Fiscal policies --- Fiscal policy --- Income --- Income taxes --- Investment and Investment Climate --- Macroeconomics --- Macroeconomics and Economic Growth --- Private Sector Development --- Production function --- Public Sector Development --- Public Sector Expenditure Policy --- Real exchange rates --- Taxation

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Although climate policies have been so far mostly focused on mitigation, adaptation to climate change is a growing concern in developed and developing countries. This paper discusses how adaptation fits into the global climate strategy, at the global and national levels. To do so, a partial equilibrium optimization model of climate policies-which includes mitigation, proactive adaptation (ex ante), and reactive adaptation (ex post)-is solved without and with uncertainty. Mitigation, proactive adaptation, and reactive adaptation are found to be generally jointly determined. Uncertainty on the location of damages reduces the benefits of "targeted" proactive adaptation with regard to mitigation and reactive adaptation. However, no single country controls global mitigation policies, and budget constraints might make it difficult for developing countries to finance reactive adaptation, especially if climate shocks affect the fiscal base. Rainy-day funds are identified as a supplemental instrument that can alleviate future budget constraints while avoiding the risk of misallocating resources when the location of damages is uncertain.

Agriculture --- Budget constraints --- Damages --- Debt Markets --- Development policies --- Development strategies --- Development strategy --- Disability --- Economic Theory and Research --- Education --- Educational Sciences --- Equilibrium --- Finance and Financial Sector Development --- GDP --- Macroeconomics and Economic Growth --- Natural resources --- Optimization --- Social Development --- Social Inclusion and Institutions --- Social Protections and Labor

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The authors constructed a standard computable general equilibrium (CGE) model to explore the economic impact of increased spending on infrastructure in six African countries: Benin, Cameroon, Mali, Senegal, Tanzania, and Uganda. The basic elements of the model are drawn from EXTER, adjusted to accommodate infrastructure externalities. Seven sectors were considered: food crop agriculture, export agriculture, mining and oil, manufacturing, construction, private services, and public services. Four sets of simulations were conducted: baseline nonproductive investments, roads, electricity, and telecoms. For each set of simulations, five funding schemes were considered: reduced public expenditure; increased value-added taxes; increased import duties; funding from foreign aid; and increased income taxes. In general, the funding schemes had similar qualitative and quantitative effects on macro variables. For road and electricity investment, there were relatively large quantitative differences and some qualitative differences among funding schemes at the macro level. Sectoral analysis revealed further disparities among countries and investment types. The same type of investment with the same funding sources had varying effects depending on the economic structure of the sector in question. The authors find that few sectors are purely tradable or non-tradable, having instead variable degrees of openness to trade. If the current account needs to be balanced, funding investment through foreign aid produces the strongest sectoral effects because strong price and nominal exchange rate adjustments are needed to clear the current account balance. In addition, the capital/labor ratio of each sector plays an important role in determining its winners and losers.

Adverse effect --- Agriculture --- Budget constraints --- Comparative analysis --- Debt Markets --- Economic sectors --- Economic structure --- Economic structures --- Economic Theory & Research --- Elasticity --- Emerging Markets --- Equilibrium --- Exports --- Externalities --- Externality --- Finance and Financial Sector Development --- Fiscal policies --- Fiscal policy --- Income --- Income taxes --- Investment and Investment Climate --- Macroeconomics --- Macroeconomics and Economic Growth --- Private Sector Development --- Production function --- Public Sector Development --- Public Sector Expenditure Policy --- Real exchange rates --- Taxation