1. Economic welfare and the allocation of resources for invention;Arrow,1962
2. The economic implications of learning by doing;Arrow;Review of Economic Studies,1962
3. Technological expectations and adoption of improved technology;Balcer;Journal of Economic Theory,1984
4. Optimal timing of innovations;Barzel;Review of Economics and Statistics,1968
5. Industrial structure and the nature of innovative activity;Dasgupta;Economic Journal,1980