Gay and lesbian couples can now legally marry in Massachusetts. This article examines the demographics of same-sex couples and concludes that gay marriage will have a relatively small but positive long-term aggregate economic impact on the Commonwealth.
Albelda, Randy; Ash, Michael; and Badgett, M.V. Lee, "Now That We Do: Same-sex Couples and Marriage in Massachusetts, a Demographic and Economic Perspective" (2005). MassBenchmarks. Vol. 7, No. 2, pp. 16-24: http://scholarworks.umb.edu/econ_faculty_pubs/23
University of Massachusetts