Simler, N. J.2009-11-032009-11-031973-11Simler, N.J., (1973), "Why Don’t Unions Charge High Initiation Fees?", Discussion Paper No. 36, Center for Economic Research, Department of Economics, University of Minnesota.https://hdl.handle.net/11299/54663en-USWhy Don’t Unions Charge High Initiation Fees?Working Paper