Public procurement of infrastructure has been subject to a long standing debate concerning the procurements' qualification requirements. Basically, it remains unclear what determines public procurement officers to vary procurements' qualification requirements. This research serves to elaborate...

This paper analyzes the interstate distribution of awards made through the SmallBusiness Innovation Research (SBIR) Program operated by the U.S federalgovernment. The main finding is that awards tend to be made to firms in centersof innovative activity, where knowledge is most easily created and...

This paper analyses the effect of uncertainty on investment spending. We analyse twotypes of investment, i.e. aggregate investment and investment in energy saving technologies,using subjective evaluations of expectations and uncertainty of Dutch firms in 1997. Weestimate several models...