This paper describes the evolution of the tax treatment of investment in R&D in Australia, Canada, France, Great Britain, Germany, Italy, Japan and the USA between 1979 and 1994. Estimates of the cost of R&D capital are provided and the methodology used is contrasted with other ones used in the...

It is often argued that technical change is responsible for the increase in wage inequality in Britain and the United States in the 1980s and 1990s. In this paper we examine this argument using data from individuals and establishments. It is found that the presence of micro-electronic...

This paper shows that with (partial) irreversibility higher uncertainty reduces the responsiveness of investment to demand shocks. Uncertainty increases real option values making firms more cautious when investing or disinvesting. This is confirmed both numerically for a model with a rich mix of...