I analyse the welfare impact of a mixed market with a public or private firm with some degree of altruism, in the presence of an agency problem. Contrary to some earlier findings, the total surplus turns out to be increasing in the degree of altruism. This impact is stronger than if there is no...

Conventional models of a mixed oligopoly usually predict modest welfare improvements, because they are based on assumptions of increasing marginal costs and/or relative inefficiency in the public firm. Both assumptions can be questioned, but it is well known that the private firms would...

I analyse the welfare impact of a mixed market with a public or private firm with some degree of altruism, in the presence of an agency problem. Contrary to some earlier findings, the total surplus turns out to be increasing in the degree of altruism. This impact is stronger than if there is no...