tag:blogger.com,1999:blog-6835444323911010814.post7026308624599186150..comments2024-03-20T05:20:38.654-04:00Comments on Economic Perspectives: A PPF with Constant Opportunity CostsJOHN BUCKhttp://www.blogger.com/profile/04359557217367148116noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6835444323911010814.post-24867726502431714282011-02-09T10:27:56.308-05:002011-02-09T10:27:56.308-05:00BakwasBakwasAnonymousnoreply@blogger.com