We study the impact of price cap regulation on the level and timing of investment in an oligopolistic (Cournot) industry facing stochastic demand. We find that a price ceiling affects investment decisions in two mutually competing ways: it makes the option to defer investment more valuable, but...

There is no academic consensus on which electricity market design provides the least distorting investment incentives. Theory suggests that "energy-only market" can allow capacity cost recovery by generators. However, separate payments for capacity or reserve obligations do not need to rely on...