"Affirmative action policies are practiced around the world. This paper explores the welfare economics of such policies. A model is proposed where heterogeneous agents, distinguished by skill level and social identity, compete for positions in a hierarchy. The problem of designing an efficient...

Latvia’s productivity growth is held back by weak innovation and inefficient resource allocation. The shortage of skilled workers which constrains innovation and the adoption of digital technologies must be addressed through further alignment of vocational and tertiary education with labour...

In recent years, a large academic debate has tried to explain the rapid rise in CEO pay experienced over the past three decades. In this article, I review the main proposed theories, which span views of compensation as the result of a competitive labor market for executives to theories based on...

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product market rivalries that emerges endogenously out of the characteristics of the products and services they supply. My model embeds a novel, highly tractable and scalable demand system...

Larger cities typically give rise to two opposite effects: tougher competition among firms and higher production costs. Using an urban model with substitutability of production factors and pro-competitive effects, I study the response of the market outcome to city size, land-use regulations, and...