Since 2005, real median household income has fallen 7.9 percent in Wisconsin—a far sharper decline than what has been seen across the border in Minnesota or nationwide. The biggest reason why middle-class incomes have not grown in recent years is that wages in the state have remained stagnant; the Wisconsin median wage has grown by a scant 12 cents since 2005.
Economists point to several reasons for stagnant wages nationally, including globalization and increased automation. But there is a growing consensus that the decline of labor unions has been a key contributor to slow middle class wage growth and inequality over the last 40 years. Studies estimate that as much as 30 percent of the increase in wage inequality among male workers over roughly the same period is the result of declining unionization…..