Abstract Public procurement data sets usually lack detailed data that are needed to implement existing methods of collusion detection. We design a method to identify and test for bid rigging in procurement auctions using limited information. The method can be applied to limited data sets using...

I examine a manipulation scheme that public authorities can use to exercise more discretion in public procurement. I propose that regression discontinuity manipulation tests can be implemented to identify manipulative authorities. I investigate the European Union public procurement data set. I...

We empirically investigate the effect of entrants and incumbents on the efficiency of public procurement auctions. We use a unique data set that covers all Turkish public procurement auctions for the years 2004 to 2010. We find that procurement prices of auctions won by entrants are...

This paper empirically investigates the impact of public procurement regulation quality on competition and cost-effectiveness. I employ the World Bank's Benchmarking Public Procurement quality scores. Using extensive data about public procurement in the European Economic Area, Switzerland, and...

Different types of products are procured in government procurement auctions. This paper empirically analyzes the effect of competition (number of bidders) on procurement price of different types of products. In other words, we investigate the optimal number of bidders which minimizes procurement...

We present an easy-to-implement method to identify the optimal number of bidders in public procurement auctions. We examine a unique data set that covers all government procurement auctions comprising more than half a million observations. We show that there is an optimal number of bidders at...

This study empirically investigates the impact of public procurement regulation quality on the competition for tenders and the cost-effectiveness of awarded contracts, by employing the World Bank's Benchmarking Public Procurement and EuroPAM Public Procurement quality scores. Using extensive...