There is limited causal evidence on the effects of different public procurement regulations on project quality and value-for-money for projects funded by national governments and foreign aid donors. This paper uses policy and experimental variation to study how two key contracting...

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...

As it transitions to an oil-producing country, Uganda's investments in infrastructure and physical capital will increasingly depend on the ability of the construction sector to respond to surges in demand and transform investment effort into outcomes. Using administrative and survey data, this...

The construction sector plays a key role in providing structures for economies. This paper surveys the literature on key issues pertaining to the construction sector. It starts by summarizing our knowledge about differences in unit costs across time and space. It then discusses key bottlenecks...

Für 300 Mrd. Euro kaufen jährlich die über 30.000 Vergabestellen von Bund, Land und Kommunen Waren und Dienstleistungen ein, mit zum Teil lang andauernden und komplexen Vergabeverfahren. Wie hoch die Verfahrenskosten bei der Vergabe von öffentlichen Aufträgen sowohl auf Seiten der...