It is usually believed that higher competition, implying more active firms, benefits consumers. We show that this may not be the case in an industry with asymmetric cost firms. A rise in the number of more cost inefficient firms makes the consumers worse-off in the presence of a welfare...

We study the implication of credit constraints for the sustainability of product market collusion in a bank financed Cournot duopoly when firms face an imperfect credit market. We consider two situations without or with credit rationing. When there is no credit rationing moderately higher cost...