We consider a semi endogenous R&D growth model with international trade, firm heterogeneity, and local knowledge spillover in a closed economy and international knowledge spillover in a symmetric two country economy. We show that by opening trade R&D difficulty (the number of varieties produced)...

We construct a semi endogenous growth model with firm heterogeneity, endogenous international spillover, and international trade and investigate the effects of further exposure to trade on R&D difficulty and welfare. Further exposure has ambiguous effects on R&D difficulty, increases when the...

This paper shows that globalization increases (decreases) the growth rate if and only if the beachhead cost for the domestic market is strictly higher (lower) than that for the foreign market in a endogenous growth model with firm heterogeneity, international trade, and endogenous international...

We show that manufacturing firms locate only in northern regions when transportation costs are not high, and in both northern and southern regions when transportation costs are high; we do so through the use of a semi-endogenous research and development growth model with international trade,...