The authors also include an analysis of the performance of productivity at the level of eight industries. However, they do not attempt to adjust for labor quality as with the TDRI study. To make some comparison to the TDRI study, their results are aggregated up to the sector level in columns (4)-(8) of table 6. A comparison with table 4 shows that the extension through
to the end of 1990s yields very similar results for TFP growth, but a larger contribution is attributed to capital, which now stands out as the dominant source of growth in industry and services.