1. Catching‐up, forging ahead and falling behind;Abramovitz;Journal of Economic History,1986
2. Convergence and deferred catch‐up: productivity leadership and the waning of American exceptionalism;Abramovitz;The Mosaic of Economic Growth,1996
3. Capital–Labour substitution and economic efficiency;Arrow;Review of Economics and Statistics,1961
4. Europe's gross national product: 1800–1975;Bairoch;Journal of European Economic History,1976
5. Wages as an indicator of gross national product;Bairoch;Real Wages in 19th and 20th Century Europe,1989