After several decades of academic research on the contingent valuation (CV) method a consistent behavioral explanation of ‘hypothetical bias’ is still lacking. Based on evidence from economics, economic psychology and the political sciences, I propose an explanation that is based on two...

In low- and middle-income countries (LIMCs) measuring early childhood development (ECD) with standard tests in large scale surveys (i.e. evaluations of interventions) is difficult and expensive. Multi-dimensional screeners and single-domain tests ('short tests') are frequently used as...

We examine different market-based mechanisms and other incentives intended to promote the environmental remediation and reuse of brownfields. Policies that encourage cleanup and re-use of brownfields offer real estate developers reductions in regulatory burden, relief from liability for future...