No evidence MGM Springfield casino has hurt Massachusetts lottery revenues, consultant says Peter Goonan, MassLive · April 9, 2020 at 3:16 pm SPRINGFIELD — A research team for the Massachusetts Gaming Commission has found there is no evidence yet that the MGM Springfield casino has reduced state lottery revenues. The analysis and report, from the University of Massachusetts Amherst School of Public Health & Health Sciences, was presented during a gaming commission meeting Thursday. The lead presenter was Mark W. Nichols, a professor of economics with the University of Nevada in Reno, a member of the research team. The researchers found a 3.05% decrease in lottery sales in Springfield during the casino’s first year, compared to the prior year. The sales in the region decreased by 0.38%.