- Publication venue
- Chicago Unbound
- Publication date
- 01/09/1970
- Field of study
- Publication venue
- Chicago Unbound
- Publication date
- 01/09/1970
- Field of study
- Publication venue
- 'National Bureau of Economic Research'
- Publication date
- 01/01/1967
- Field of study
- Publication venue
- 'Harvard University Press'
- Publication date
- 01/01/1967
- Field of study