THE UNITED STATES An Economic Study of Butter and Oleomargarine BY EDWARD WIEST, A. M. Instructor of Commerce and Economics, University of Vermont SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN THE FACULTY OF POLITICAL SCIENCE COLUMBIA UNIVERSITY NEW YORK THE UNITED STATES An Economic Study of Butter and Oleomargarine BY EDWARD WIEST, A. M. Instructor of Commerce and Economics, University of Vermont and State Agricultural College SUBMITTED IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY IN THE FACULTY OF POLITICAL SCIENCE COLUMBIA UNIVERSITY NEW YORK |