The economic repercussions of September 11th are unique in that never before have economists needed to forecast and examine the impact of an event of such magnitude. This paper explains many of the economic effects of September l Ith, from the initial aftermath to recent developments. These...

Firm-level fixed investment expenses are analysed using a large panel of US manufacturing firms from 1971 to 2007. Integrating the user cost of capital, q and accelerator theories of investment to one econometric specification, we estimate the impacts of sales growth, cash flow, the cost of...