Trade policy commitments to lower import tariffs and to maintain tariffs at low levels entail short and long-run political-economic costs and benefits. Empirical work examining the relationship between such commitments and the exercise of trade policy flexibilities is still relatively nascent,...

We develop a new Measure of Aggregate Trade Restrictions (MATR) using data from the IMF's Annual Report on Exchange Arrangements and Exchange Restrictions. MATR is an empirical measure of how restrictive official government policy is towards the international flow of goods and services. MATR is...