We compare two instruments to regulate a monopoly that has private information about its demand: fixing the price or the quantity produced. For each instrument, we consider two classes of mechanisms: sophisticated (screening menus) and simple (single menus). We characterize the optimal...

Most airports operate under public ownership, while some are privatized and economically regulated. Only a few airports are privately owned and experience little or no ex-ante regulation of airport charges. On the other hand, airports nowadays earn as much revenue from transport-related...

Many firms offer “core” and “side” goods in the sense that side-good consumption is conditional on core-good consumption. Airports are a common example where the supply of runway and terminal capacity is the core good and the supply of various concession services (for example, car rental...