Clever, Martin; Martínez-Zarzoso, Inmaculada - 2010
. Using a panel of 50 countries over the period 1980-1999, we find that customs unions, 'deep' free trade agreements, and … common markets have stronger effects on bilateral trade than simple free trade agreements. … trade between country pairs. The analysis will employ the 'empirical workhorse' of international trade; the gravity model …