Wikipedia article is actually written about Alchian–Allen effect rather then a theorem: http://en.wikipedia.org/wiki/Alchian%E2%80%93Allen_effect http://en.wiki

Wikipedia article is actually written about Alchian–Allen effect rather then a theorem: http://en.wikipedia.org/wiki/Alchian%E2%80%93Allen_effect http://en.wikipedia.org/wiki/Alchian%E2%80%93Allen_effect