The most effective regulators in developing countriesare following remarkably similar approaches. The main common element across"best practice"countries is the use of relatively simple quantitative models of operators'behavior and constraints to measure the impact of regulatory decisions on some...

The main constraint on world Bank operations in tax and customs administration is the Bank's inadequate institutional framework for accumulating knowledge from loan operations, concludes this review of the Bank's record on reform of tax systems in the 1990s. The Bank's theoretical basis for...