We analyze strategic trade policy for differentiated network goods oligopolies under alternative scenarios, when there is export rivalry between two countries. We show that, under price competition without managerial delegation, it is optimal to tax (subsidize) exports, if network externalities...

This paper examines how product differentiation as well as strategic managerial delegation affects optimal emission tax rate, environmental damage and social welfare, under alternative modes of product market competition. It shows that, under pure profit maximization, the (positive) optimal...