Feroz, Ehsan, 		L. Raab, Raymond, 		Schultzc, Jennifer, AND 		T. Ullebergd, Gerald.
" "Obamacare and environmental production efficiency rankings for the 50 U.S. state governments: A Data Envelopment Analysis of health outcomes from environmental factors and state health care expenditures."" <em>Journal of Economics and Banking</em> [Online], Volume 3 Number 1 (26 February 2017)