In the following we propose a growth model for an economy consisting of firms which are heterogeneous in technologies and input demands. We show that the growth rate in this economy depends not only on changes in the aggregate level of capital and labor, but also on changes in the allocation of...

This survey reviews the literature on firm dynamics, innovation and growth aiming to better understand the main channels through which innovation affects the performance of modern economies. Since innovations fundamentally diffuse through a complex process of firm and product creation and...

Firm growth is an essential feature of market economies, shaping together macroeconomic performance and the evolution of industry structures. As a potential indicator of organizational "fitness" within a competitive environment, firm growth is also a central concern to both the practice and...