De Mel, Suresh; McKenzie, David - C.E.P.R. Discussion Papers - 2014
to survey responses. We have three main findings. First, current RFID-technology is more difficult to use, and more time … considerable day-to-day variation in read-efficiency. Third, a comparison of survey responses and physical stock-takes shows much … higher accuracy for survey measures. As a result, we conclude that this technology is currently unsuitable for improving …