This report, the second from a large-scale study for the U.S. Department of Education’s Institute of Education Sciences of four early math programs, shows that the curriculum used by the study schools mattered. The study examined (1) Investigations in Number, Data, and Space (Investigations),...

This report describes the research and policy context for the evaluation, logic model underlying the projects, and selection of the random assignment sites and enrollment of youth. It also presents comprehensive designs for the process, cost, impact, and benefit-cost analyses, and concludes with...

Describes the projects and the policy background for the initiative.

As offshore wind turbines move towards deeper and more distant sites, the concept of floating foundations is a potential technically and economically attractive alternative to the traditional fixed foundations. Unlike the well-studied monopile, the geometry of a floating foundation is complex...

While the significance of narrative thinking has been increasingly recognized by social scientists, very little empirical research has documented its consequences for economically significant outcomes. The current paper addresses this gap in one important domain: valuations. In three...

This paper studies the effect of leadership on the level and evolution of pro-social behavior using an artefactual field experiment on local public good provision. Participants decide how much to contribute to an actual conservation project. They can then revise their donations after being...

Bidders in procurement auctions often face avoidable fixed costs. This can make bidding decisions complex and risky, and market outcomes volatile. If bidders deviate from risk neutral best responses, either due to faulty optimization or risk attitudes, then equilibrium predictions can perform...