Introduction (A.J. Field). 1. A Soviet quasi-market for inventions: jet propulsion, 1932 to 1946 (M. Harrison). 2. Network quality in the early telegraph industry (T. Nonnenmacher). 3. The Spanish infrastructure stock, 1844-1935 (A. Herranz-Loncan). 4. Have American workers always been low savers? Patterns of accumulation among working households, 1885-1910. (J.A. James, M.G. Palumbo, M. Thomas). 5. Worker absenteeism under voluntary and compulsory sickness insurance: continental Europe, 1885-1908 (J.E. Murray). 6. Urban real wages around the Eastern Mediterranean in comparative perspective, 1100-2000 (S. Pamuk). 7. Japanese unskilled wages in international perspective, 1741-1913 (J.-P. Bassino, D. Ma). 8. Relative British and American income levels during the first industrial revolution (M. Ward, J. Devereux).