William Greene 555Murphy, K. and R. Topel (1985) Estimation and inference in two step econometric models.
Journal of Business and Economic Statistics 3 , 370–9.
Newey, W. (1987) Efficient estimation of limited dependent variable models with endogenous
explanatory variables.Journal of Econometrics 36 , 231–50.
Neyman, J. and E. Scott (1948) Consistent estimates based on partially consistent observa-
tions.Econometrica 16 , 1–32.
Pudney, S. and M. Shields (2000) Gender, race, pay and promotion in the British nursing
profession: estimation of a generalized ordered probit model.Journal of Applied Econometrics
15 (4), 367–99.
Pratt, J. (1981) Concavity of the log likelihood.Journal of the American Statistical Association
76 , 103–6.
Rabe-Hesketh, S., A. Skrondal and A. Pickles (2005) Maximum likelihood estimation of limited
and discrete dependent variable models with nested random effects.Journal of Econometrics
128 (2), 301–23.
Rasch, G. (1960)Probabilistic Models for Some Intelligence and Attainment Tests. Copenhagen,
Denmark: Paedogiska.
Revelt, D. and K. Train (1998) Mixed logit with repeated choices: households’ choice of
appliance efficiency level.Review of Economics and Statistics 80 (4), 647–57.
Riphahn, R., A. Wambach and A. Million (2003) Incentive effects in the demand for health
care: a bivariate panel count data estimation.Journal of Applied Econometrics 18 (4), 387–405.
Samuelson, P. (1947)Foundations of Economic Analysis. Boston: Atheneum Press.
Sepanski, J. (2000) On a random coefficients probit model.Communications in Statistics –
Theory and Methods 29 , 2493–2505.
Shaw, D. (1988) “On-site samples” regression problems of nonnegative integers, truncation,
and endogenous stratification.Journal of Econometrics 37 , 211–23.
Silva, J. (2001) A score test for non-nested hypotheses with applications to discrete response
models.Journal of Applied Econometrics 16 (5), 577–98.
Stata, Inc. (2006)Stata User’s Guide, Version 9.0. College Station, Texas: Stata Press.
Terza, J. (1985) Ordinal probit: a generalization.Communications in Statistics 14 , 1–12.
Terza, J. (1994) Estimating count data models with endogenous switching: sample selection
and endogenous treatment effects. Working paper IPRE 94–14. Department of Economics,
Pennsylvania State University.
Terza, J. (1998) Estimating count data models with endogenous switching: sample selection
and endogenous treatment effects.Journal of Econometrics 84 (1), 129–54.
Tobias, J. and M. Li (2006) Calculus attainment and grades received in intermediate economic
theory.Journal of Applied Econometrics 21 (6), 893–6.
Train, K. (2003)Discrete Choice Methods with Simulation. Cambridge: Cambridge University
Press.
van Doorslaer, E. and W. Nonneman (1987) Economic incentives in the health care industry:
implications for health policy making.Health Policy 7 (2), 109–14.
Vella, F. and M. Verbeek (1999) Two-step estimation of panel data models with censored
endogenous variables and selection bias.Journal of Econometrics 90 , 239–63.
Vuong, Q. (1989) Likelihood ratio tests for model selection and non-nested hypotheses.
Econometrica 57 , 307–34.
Wagstaff, A. (1993) The demand for health: an empirical reformulation of the Grossman
model.HealthEconomics 2 , 189–98.
White,H.(1980) A heteroscedasticity-consistent covariance matrix estimator and a direct
test for heteroscedasticity.Econometrica 48 , 817–38.
White, N. and A. Wolaver (2003) Occupation choice, information and migration.Review of
Regional Studies 33 (2), 142–63.
Willis, J. (2006) Magazine prices revisited.Journal of Applied Econometrics 21 (3), 337–44.
Winkelmann, R. (2003)Econometric Analysis of Count Data(fourth edition). Heidelberg:
Springer Verlag.