In theory, competitive emission permit markets minimise total abatement cost for any emission ceiling. Permit markets are often imperfectly competitive, however, if they are thin and dominated by large firms. The dominant firm(s) could exercise market power and increase other firms’ costs of...

This paper reports a laboratory experiment to study pricing and advertising behavior in a market with costly buyer search. Sellers simultaneously post prices and decide whether or not to incur an exogenous cost to advertise their price. Sellers are not capacity constrained, and each buyer...

In this laboratory experiment sellers simultaneously post prices and choose whether to advertise. Buyers then decide whether to buy from a seller whose advertisement they have received, or engage in costly sequential search to obtain price quotes from other sellers. In the unique symmetric...

In theory, competitive emission permit markets minimise total abatement cost for any emissionceiling. Permit markets are often imperfectly competitive, however, if they are thin anddominated by large firms. The dominant firm(s) could exercise market power and increase otherfirms’ costs of...