'Mobilization fatigue' leads to diminishing returns for labor-backed voter turnout drives

Between now and the presidential election in November, political pundits of all stripes will be trumpeting the importance of voter turnout for both political parties. But according to a new paper from a University of Illinois labor expert who studies unions and politics, repeated voter contact across multiple election cycles can yield diminishing returns and eventually lead to "mobilization fatigue" if voters are contacted too often.