Samuel Wagner

The Time-Cost Trade-Off Function, Overlapping Stages, and the Timing Decision

Jerome E. Schnee, Michael J. Hamburger, Edwin Mansfield, 1971 .

Social and Private Rates of Return from Industrial Innovations

Edwin Mansfield, John Rapoport, Samuel Wagner, 1977 .

Foreign Trade and U.S. Research and Development

Edwin Mansfield, Samuel Wagner, E. Mansfield, 1979 .

Overruns and Errors in Estimating Development Cost, Time, and Outcome

Edwin Mansfield, John Rapoport, Jerome E. Schnee, 1971 .

The Anatomy of the Product-Innovation Process: Cost and Time

Edwin Mansfield, John Rapoport, Michael J. Hamburger, 1971 .