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 …

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 …

) 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. …

) 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. …

almost independent products or products that are close substitutes. Privatization of the public firm is socially beneficial …

increase, decrease, or remain unchanged with privatization, which depends on the level of the cost efficiency gap and the … taxation burden. However, it may be possible to raise welfare through privatization as long as the efficiency gain prevails or …

privatization is desirable for local welfare upstream in (h), but it is not always desirable in (f). In both (h) and (f), it is …

shareholders. Many existing works on partial privatization have assumed that privatization increases the weight of profits in the …