The evidence shows that in many important economic domains, many people are either predisposed to engage in 'socially responsible actions' and/or required by regulations to do so. Examples include pollution abatement activity, behavior in a commons, and contributions to charity. We propose a...

We consider discounted-utility models with a reference stream of outcomes. We provide a common framework for the main empirically supported discount functions in terms of three underlying functions: The delay, speedup and generating functions. Each of the delay and speedup functions can be...