Instructional dataset, N=680, cross-sectional individual data on classes attended Accompanying Introductory Econometrics: A Modern Approach, Jeffrey M. Wooldridge, South-Western College Publishing, (c) 2000 and Jeffrey M. Wooldridge, Econometric Analysis of Cross Section and Panel Data, MIT Press,(c) 2001. Datasets also accessible from http://wooldridge.swcollege.com. And from http://courses.bus.msu.edu/econ/821/001/index.cfm?action=mat