A very interesting and policy relevant issue is topical now in behavioral policy, as psychologists take on spillovers. What do economists have to say in this regard?
Like ripples on a pond
|Like ripples on a pond: Behavioral spillovers and their implications for research and policy|
|Paul Dolan, Matteo M. Galizzi|
|Journal of Economic Psychology , Volume 47, Pages 1–16 - April 2015|