R. Opie

发表

Oxford Economic Papers.

J. Marschak, A. Robinson, R. Harrod, 1939 .

Recent Social Trends in the United States.

R. Opie, 1934 .

Senior's Social Economy

R. Opie, 1929 .

Oxford Economic Papers

J. Marschak, A. Robinson, R. Harrod, 1939, Oxford Economic Papers.

The theory of economics development

Joseph A. Schumpeter, R. Opie, J. Schumpeter, 1934 .

The general theory of employment internest and money . The theory of economic development : An inquiry into profits, capital, credit, interest, and the business cycle

John Maynard Keynes, Joseph A. Schumpeter, J. Keynes, 1999 .

American foreign assistance

R. Opie, W. Brown, 1954 .

Marshall's Time Analysis

R. Opie, 1931 .