Key points are not available for this paper at this time.
(The Jollowing article was prepared by ProJessor Lerner for a seminar at the London School of Economics in December i933. It is the paper referred to by Professor Samuelson in his article, International Factor-Price Equalisation Once Again , Economic Journal, 7une 1949, p. rI8. It is reproduced here as it was originally written; and it will be of value to students both for its place in the history of ideas and also for the geometric technique employed to demonstrate conditions for the equalisation of factor prices.)
Abba P. Lerner (Fri,) studied this question.