Brendan McDermid/Reuters
The plunging response rate of various economic surveys could call into question the reliability of Fed forecasts, according to Fundstrat.Low response rates could be overstating the tightness of the labor market."How accurate is the surge in 5 million additional job openings, when there are 1/3 fewer respondents?" Fundstrat's Tom Lee asked.An ongoing plunge in response rates for popular economic surveys could call...