Do prices respond to macro shocks? Does the mere presence of international frontiers hinder trade? We revisit these questions by studying a dataset of online book prices for a number of US and Canadian retailers. We believe our dataset is well suited to this task for a number of reasons: (1)...

In most macroeconomic models, the substitutability between domestic and foreign goods is calibrated using aggregated data. This imposes homogeneous elasticities across goods, and the calibration is only valid under this assumption. If elasticities are heterogeneous, the aggregate...

Has Africa finally reached the path to sustained growth? We find that much of the improvement in economic performance in Africa after 1995 is attributable to a substantial reduction in the frequency and severity of growth declines in all economies and an increase in growth accelerations in...

Three sources of gains from trade under monopolistic competition are: (i) new import varieties available to consumers; (ii) enhanced efficiency as more productive firms begin exporting and less productive firms exit; (iii) reduced markups charged by firms due to import competition. The first...

We investigate the impact of international trade on wages and on wage inequality across industries and regions in Canada. An employer–employee dataset is developed combining individual worker characteristics from the 20% sample of the 2001 Census of Population and synthetic establishments from...