Politicians differ in their ability to implement some policy. In an election, candidates make commitments regarding the plans they will try to implement if elected. These serve as a signal of true ability. In equilibrium, candidates make overambitious promises. The candidate with the highest...

Globally, governments increasingly rely on auctions to advance renewable energy. This paper studies the design of wind farm auctions and evaluates the impact of price guarantees and subsidies on auction efficiency, government revenue, and renewable-energy production. While the theoretical...