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Federal policies and medical devices industry
(1985)
The effect of advertising on the price of eyeglasses
Benham, Lee, (1972)
The market for U. S. scientific, industrial and technical instruments and equipment in France
Conrad, Joseph, (1965)
Activity analysis models in regional development planning
Spiegelman, Robert G., (1966)
Reemployment Incentives for Unemployment Insurance Beneficiaries: Results from the Washington Reemployment Bonus Experiment
O'Leary, Christopher J., (1993)
Controlled Experiments and the Unemployment Insurance System
Spiegelman, Robert G.,