In recent years the level of taxation of many developing countries has changed dramatically over relatively short periods. These changes are too large and too sudden to attribute fully to a deterioration in tax administration or to changes in the traditional determinants of tax levels. The paper...

This paper studies an optimal tax problem for a small open economy where collecting taxes is costly. It is shown that, in the presence of collection costs modeled as an increasing function of the tax rate: (a) the standard rules of optimal commodity taxation (the Ramsey, the inverse elasticity,...

This paper provides an overview of the key economic factors that shape tax policy reform in many high-income countries, developing countries, and/or transition economies. The paper describes and evaluates global and regional developments with respect to tax rates and revenue ratios over the last...

This paper assesses the effects of India's tax system on growth, through the level and productivity of private investment. Comparison of India's indicators of effective tax rates and tax revenue productivity with other countries shows that the Indian tax system is characterized by: (1) a high...

This paper uses a dynamic computable general equilibrium model (CGE) to analyze the macroeconomic and redistributive effects of replacing turnover and financial transaction taxes in Brazil by a consumption tax. In order to approximate Brazil's compliance with its fiscal adjustment targets, the...

This paper addresses two fundamental issues in indirect tax design. It first revisits the case for reduced rates on items especially important to the poor, establishing conditions under which even very crudely targeted spending measures better serve their interests. It then explores the welfare...

This paper shows a standard RBC model, when augmented with a VAT evasion channel, where evasion depends on the consumption tax rate, can produce a hump-shaped consumption Laffer curve. Furthermore, when the evasion channel is turned off , the hump in the Laff er curve disappears, resulting in a...

This paper explores the effects of fiscal policy in an economy based on indirect taxes, and in the presence of VAT evasion channel. In addition, the government is taxing all income at the same rate. The focus of the paper to compare and contrast two regimes - the exogenous (observed) vs. optimal...

This paper shows a standard RBC model, when augmented with a VAT evasion channel, where evasion depends on the consumption tax rate, can produce a hump-shaped consumption Laffer curve. Furthermore, when the evasion channel is turned off, the hump in the Laffer curve disappears, resulting in a...