We analyze the effect of price caps on equilibrium production and welfare in oligopoly under demand uncertainty. We find that high price caps always increase production and welfare as compared to the situation without price cap. Price caps close to marginal cost may lead to zero production,...

The European Emissions Trading Scheme (ETS) is a cap and trade system to curb CO2 emissions. It has caused both direct costs (CO2 allowances) and indirect costs (higher electricity prices) to energy-intensive industries. Moreover, as there is no global CO2 agreement, the ETS could distort the...