E-mail address request

To enhance author privacy, SSRN uses software to prevent mechanical harvesting
of email addresses. Anonymous users are allowed 3 email address requests each day.
Here are the email address(es) you requested:

Michael L. Manapat
  Harvard University   mlmanapat@gmail.com

Martin A. Nowak
  Harvard University   martin_nowak@harvard.edu

David G. Rand
  Yale University   david.rand@yale.edu