1. Regional disparities of productivity and growth;Auer,1979
2. Energy prices, capital formation, and potential GNP;Burgess;The Energy Journal,1984
3. Multilateral comparisons of output, input and productivity using superlative index numbers;Caves;Economic Journal,1982
4. Productivity growth 1947–1973: An international comparison;Christensen,1978
5. Relative productivity levels, 1947–1973: An international comparison;Christensen,1980