Marcel Mauss wrote in 1924 that he had found in the motifs of the "archaic" gift exchange of pre-modern societies "one of the rocks on which our societies rest" (Mauss, 1990, p.19). Gift practices persist in…
In recent years, policymakers have increasingly used behaviourally informed policies, including ‘nudges’. They have been implemented to produce desirable social outcomes such as healthier eating and physical…
This study provides the first quantification of buyers’ role in the outcome of R&D procurement contracts. We combine together four data sources on US federal R&D contracts, follow-on patented inventions,…
Natural hazard insurance is advocated as an important means of risk management, however, private insurance demand often remains below critical levels. Prior loss experience and the design of governmental relief…
We study the relative performance of the first-price sealed- bid auction, the second-price sealed-bid auction, and the all-pay sealed-bid auction in a laboratory experiment where bidders can signal…
We analyze the problem of a buyer who purchases a long-term project from one of several suppliers. A changing state of the world influences the costs of the suppliers. We distinguish between complete…
Copulas are a convenient tool for modelling dependencies in competing risks models with multiple spells. This paper introduces several practical extensions to the nested copula model and focuses on the choice of…
