Heckman, J., 1979. "Sample Selection Bias as a Specification Error," Econometrica, 47, pp. 153-161.
Keane, P., and D.E. Runkie, 1992. "On the Estimation of Panel-Data Models With Serial Correlation When Instruments Are Not Strictly Exogenous", Journal of Business & Economic Statistics, Vol. 10, No. 1, pp. 1-9. Journal of Business & Economic Statistics, Vol. 10, No. 1, pp. 1-9.
Kotrba, Josef, 1994. "Czech Privatization: Players and Winners," CERGE-EI Working Paper, No. 58, April, 1994.
Nerlove, M., 1971. "Further Evidence on the Estimation of Dynamic Economic Relations from a Time Series of Cross-Sections" Econometrica, Vol. 39, pp. 359-387.
Nickel, S., 1981. "Biases in Dynamic Models with Fixed Effects" Econometrica, Vol. 49, 1417-1426.