In this sample of 49 Latin America, 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 large unofficial...

This working paper describes how the IFS's model of the UK's long-run public finances (and those of its constituent nations) is constructed. Our model projects tax revenues, public spending and hence public borrowing and debt up to 2062-63. This is done for the UK as a whole and also separately...