Talk:John Maurice Clark

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It would be a good idea of double-check if there is a clear tie between writings of John Maurice Clark and the concept of X-efficiency (usually credited to Harvey Leibenstein.) Randy Summers (talk) 19:45, 31 August 2011 (UTC)


 * I pulled this section out. Unsourced and no mention of Clark on the WP X-efficiency page. Carrite (talk) 18:53, 17 June 2014 (UTC)