Double Trouble : On the Value of Twins-Based Estimation of the Return to Schooling
MLA
Bound, John., National Bureau of Economic Research. and Gary. Solon. Double Trouble : On the Value of Twins-Based Estimation of the Return to Schooling. Cambridge, Mass. National Bureau of Economic Research 1998.
APA
Bound, J., National Bureau of Economic Research. & Solon, G. (1998). Double Trouble : On the Value of Twins-Based Estimation of the Return to Schooling. Cambridge, Mass. National Bureau of Economic Research.
Chicago
Bound, John., National Bureau of Economic Research. and Gary. Solon. Double Trouble : On the Value of Twins-Based Estimation of the Return to Schooling. Cambridge, Mass. National Bureau of Economic Research 1998.