In this paper, we analyze the social planner solution of an endogenous growth model with physical capital, human capital and R&D. The model incorporates three sources of inefficiency: monopolistic competition in the intermediate-goods sector, duplication externalities and spillovers in R&D. A...

In this paper, we establish a link between firm heterogeneity and long-run economic growth both theoretically and empirically. We show that firms' technological heterogeneity creates the diversification effect for R&D financiers, facilitating R&D investment, and thus leading to long-run economic...

In this paper, to investigate how an increase in the price of natural resources affects the level of technology, we develop an endogenous variety expansion model of a small open economy based on that of Grossman and Helpman (1991, Ch. 3). We conclude that an increase in the price of natural...