A dynamic Stackelberg game analyzes collective bargaining between a trade union (leader) and a firm (follower) in a monopoly union model. Frictional effects (FE) for the firm encompass symmetric adjustment costs linked to the number of hired and fired workers, plus a wage-dependent term...

This paper examines the optimal environmental policy in a mixed oligopoly when pollution accumulates over time. Specifically, we assume quantity competition between several private firms and one partially privatized firm. The optimal emission tax is shown to be independent of the weight the...