Which of the democratic checks and balances--opposition parties, the judiciary, a free press--is the most forceful? Peru has the full set of democratic institutions. In the 1990s, the secret-police chief Montesinos systematically undermined them all with bribes. We quantify the checks using the...

In this sample of 49 Latin American, OECD, and transition economies, it is the ineffective and discretionary administration of tax and regulatory regimes--not higher tax rates alone--as well as corruption, that increases the size of the unofficial economy. And countries with a larger unofficial...