1. Undergraduate achievement and institutional “excellence”;Astin;Science,1968
2. Comments on returns to education: A further update and implications;Behrman;J. Hum. Res.,1987
3. Efficiency and equity in social spending: How and why governments misbehave;Birdsall,1993
4. Does R&D contribute to economic growth in developing countries?;Birdsall,1993
5. The pre-technology science agricultural sciences;Evenson,1986