Allocating permits based on individual historical emissions (‘grandfathering’), or industry benchmark data, is an important design aspect of an emissions trading scheme. Free permit allocation has proven complex and inefficient (particularly in the European Union) with distribution...

We analyse the efficiency effects of the initial permit allocation given to firms with market power in both permit and output market. We examine two models: a long- run model with endogenous technology and capacity choice, and a short-run model with fixed technology and capacity. In the long...