David Neumark、J.M. Ian Salas、William Wascherが、最低賃金に関する自らの研究の正しさを主張するNBER論文「More on Recent Evidence on the Effects of Minimum Wages in the United States」を書いている。 以下はその要旨。 A central issue in estimating the employment effects of minimum wages is the appropriate comparison group for states (or other regions) that adopt or increase the minimum wage. In recent research, Dube et al. (2010) and Allegretto