I consider a situation in which workers have present-biased preferences and tend to procrastinate their tasks, but underestimate the degree of self-control prob- lems that they will face in the future. Brocas and Carrillo (2001) show that a form of competition always mitigates delay in a setting...

We show that in multi-sector optimal growth models, where the technology satisfies a simple reachability condition, infinite horizon programs which satisfy the competitive conditions are optimal. We provide examples of a variety of production models where the reachability condition is satisfied....

We model the impact of bank mergers on loan competition, banks' reserve holdings and aggregate liquidity. Banks compete in a differentiated loan market, hold reserves against liquidity shocks, and refinance in the interbank market. A merger creates an internal money market that induces financial...