) with the level of privatization, if the level of privatization is less (more) than certain level. It also shows that … partial privatization is optimal from the social welfare point of view. However, the social welfare maximizing level of … privatization damages the environment most. …

Considering a differentiated mixed duopoly we show that when privatization and pollution tax are used together … environmental damage will be non-monotone in the level of privatization, and optimal privatization is always partial privatization …. Whether privatization will improve the environment or not depends on the public firm's concern for environment. If the public …

some of the recent claims that social optimum is not implementable and privatization is necessary. We also show that when … the private firm is foreign-owned, the government will adopt some privatization and will not implement the social optimum …

the recent claims that social optimum is not implementable and privatization is necessary. We also show that when the … private firm is partly foreign-owned, the government will adopt some privatization and will not implement the social optimum …

) with the level of privatization, if the level of privatization is less (more) than certain level. It also shows that … partial privatization is optimal from the social welfare point of view. However, the social welfare maximizing level of … privatization damages the environment most. [WP-2010-018] …