This research is a transaction-cost economic analysis of recently completed transportation projects, informing a comparative evaluation of the institutional change in public contracting from designbidbuild to designbuild project delivery. Designbuild, in which design and construction services...

This paper presents a methodology and first results of the zIndex - a public procurement benchmarking tool for contracting authorities that measures a deviation from best practice recommendations. zIndex is a composite index mapping many issues in the areas of openness, competition and...