@article{oai:niigata-u.repo.nii.ac.jp:00027064, author = {Hamada, Kojun and Takarada, Yasuhiro}, journal = {新潟大学経済学年報, 新潟大学経済学年報}, month = {Feb}, note = {In this paper, we examine the share rule for profitable mergers in the standard Cournot and Stackelberg models. We show that mergers are unprofitable unless they involve at least 80% of the firms with the same output choice timing in the industry.}, pages = {153--160}, title = {Profitable Mergers in Cournot and Stackelberg Markets: 80 Percent Share Rule Revisited}, volume = {31}, year = {2007} }