The US has raised the minimum wage multiple times. Want to read a study of seven decades of historical data about what happens when the minimum wage increases?

The US has raised the minimum wage multiple times. Want to read a study of seven decades of historical data about what happens when the minimum wage increases? http://www.nelp.org/publication/raise-wages-kill-jobs-no-correlation-minimum-wage-increases-employment-levels/ http://www.nelp.org/publication/raise-wages-kill-jobs-no-cor... There is no correlation with decreased employment, in fact most times, there are employment increases, and these increases are bigger in industries more effected by minimum wage like retail and hospitality.