"Empirical explorations of the growth and productivity impacts of infrastructure have been characterized by ambiguous … indirect) channels of influence between infrastructure and productivity improvements. The authors explore these possibilities … alternative measures of productivity, the prevalence of ambiguous (countervailing signs) results, with little systematic pattern …

This brief presents contrasting views on the effects of public infrastructure investment on private sector productivity …. David Alan Aschauer states that the slower rate of productivity growth since the early 1970s - coupled with an aging … responsible for part of the productivity slowdown. In contrast, Douglas Holtz-Eakin dismisses the conventional arguments for a …