It is no secret that U.S. labor productivity accelerated in the second half of the 1990s. The bulk of the spurt can be traced to the boom in investment information technology capital and to the growth in the information technology-producing part of the economy. Measurement issues abound and having better data would help resolve them. Whether or not the change in productivity is cyclical or structural is too soon to tell. Do you think that US economy will experience higher labor productivity soon?