The present study contributes to the analysis of economic growth by comparing labour ant total factor productivity (TFP) in France, Japan, the United Kingdom and the United States in the very long run (since 1890) and in the medium run (since 1980). During the past century, the United States has...

Capital deepening (at least to the extent this can be measured) accounts for a large share of the variations in performance; increasingly during the past 25 years, this has meant ICT capital deepening. However, the capital contribution to growth varies considerably over time and across the four...