Using two unifying models and an empirical exercise, this paper present and extends the main theories linking income distribution and growth, as well as the relevant empirical evidence. The first model integrates the political economy and imperfect capital markets theories. It allows for...

We examine how economic stratification affects inequality and growth over time. We study economies where heterogenous agents interact through local public goods or externalities (school funding, neighborhood effects) and economy-wide linkages (complementary skills. knowledge spillovers). We...

This paper develops a simple model of human capital accumulation and community formation by heterogeneous families, which provides an integrated framework for analyzing the local determinants of inequality and growth. Five main conclusions emerge. First, minor differences in education...

We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A new and central economic force is the selection between high- and low-type firms, which differ in terms of their innovative capacity. We estimate the parameters of the model...

What form of intellectual property rights (IPR) policy contributes to economic growth? Should technological followers be able to license the products of technological leaders? Should a company with a large technological lead receive the same IPR protection as a company with a more limited lead?...