Utilizing panel data for 19 OECD countries we find suppor t for the hypothesis that a greater degree of product variety relative to the US helps to explain relative per capita GDP levels. The empirical work relies upon some direct measures of product variety calculated from 6-digit OECD export...

Utilising panel data for 14 East European transition economies, we find support for the hypothesis that a greater degree of export variety relative to the U.S. helps to explain relative per capita GDP levels.The empirical work relies upon some direct measures of product variety calculated from...

We calculate welfare gains of trade liberalization in the Central and East European transition economies, following the approach of Romer (1994), who emphasized that proper modeling of the impact of trade restrictions on the number of available product varieties is crucial to quantifying the...