The Impact of Subsidies on X-Efficiency in LDC Industry: Theory and an Empirical Test John P. Martin and John M. Page, Jr. The Review of Economics and Statistics, Vol. 65, No. 4 (Nov., 1983), pp. 608-617 (article consists of 10 pages) Published by: The MIT Press Stable URL: http://www.jstor.org/stable/1935929