1. Catching up, forging ahead and falling behind;Abramovitz;Journal of Economic History,1986
2. Fixed effects random effects or Hausman–Taylor? A pretest estimator;Baltagi;Economics Letters,2003
3. A New Data Set of Educational Attainment in the World, 1950–2010;Barro,2010
4. Economic Growth;Barro,1995
5. Macro-economics of unbalanced growth: the anatomy of urban crises;Baumol;American Economic Review,1967