This paper reviews the economic justification for voluntary environmental programs to derive defensible measures of their positive social outcomes. We consider ideal experimental and statistical designs to detect and attribute benefits. We also explore a set of more practical approaches to...

Voluntary approaches have become a popular in the U.S. to enhance the efficacy and scope of existing regulations and to reduce emissions in sectors or for pollutants where formal environmental regulation is lacking. In this paper, we examine the effectiveness of a particular EPA voluntary...

This analysis extends previous work on green insurance by proposing a mechanism that offers a stronger adoption incentive and is applicable to heterogeneous populations and non-binary adoption decisions. Endogenous learning about the new technology is incorporated, and empirically calibrated...