To stay on top of global competition, firms and governments often need to acquire innovative goods and services … the degree of competition between suppliers, as well as other more practical indirect ways to stimulate innovation. We …

We measure the impact of a drastic new technology for producing steel, the minimill, on the aggregate productivity of U …'s productivity is linked to this new technology, and operates through two distinct mechanisms. First, minimills displaced the older … technology, called vertically integrated production, and this reallocation of output was responsible for a third of the increase …

organizational structure and technology of rival banks in the vicinity influence local banking competition. …Recent theoretical models argue that a bank’s organizational structure reflects its lending technology. A …. We investigate theoretically and empirically how bank organization shapes banking competition. Our theoretical model …

and quantity competition) and also optimal regulation. Accounting for the several effects of regulation on the unregulated …

welfare, monopolistic competition is the market structure with the highest surplus. …

We study the classical Tullock's model of one-stage contests where the probability of winning is a function of the …

’s support. We set up a model of hierarchical contests and compare the implications of a centralized allocation process with a …

We study two-stage political contests with private entry costs. We show that these political contests could be …