1. Applications of Control Theory to Economic Growth;Arrow,1968
2. Human Capital;Becker,1964
3. The Task of Contemporary Wage Theory;Dunlop,1957
4. Adjustment Costs in the Theory of Investment of the Firm;Gould;Rev. Econ. Stud.,1968
5. Information and Frictional Unemployment;Gronau;Amer. Econ. Rev.,1971