Browse by Aston Author

Sun, Kai (2015). Constrained nonparametric estimation of input distance function. Journal of Productivity Analysis, 43 (1), pp. 85-97.

Parmeter, Christopher F., Sun, Kai, Henderson, Daniel J. and Kumbhakar, Subal C. (2014). Estimation and inference under economic restrictions. Journal of Productivity Analysis, 41 (1), pp. 111-129.

Kumbhakar, Subal C. and Sun, Kai (2013). Derivation of marginal effects of determinants of technical inefficiency. Economics Letters, 120 (2), pp. 249-253.

Sun, Kai and Kumbhakar, Subal C. (2013). Semiparametric smooth-coefficient stochastic frontier model. Economics Letters, 120 (2), pp. 305-309.

Kumbhakar, Subal, Lozano-Vivas, Ana and Sun, Kai (2013). A flexible cost function model with risk. Working Paper. Aston University, Birmingham. (Unpublished)

Kumbhakar, Subal and Sun, Kai (2012). Estimation of TFP growth:a semiparametric smooth coefficient approach. Empirical Economics, 43 (1), pp. 1-24.

Bhaumik, Sumon, Dimova, Ralitza, Kumbhakar, Subal and Sun, Kai (2012). Does institutional quality affect firm performance? Insights from a semiparametric approach. Discussion Paper. IZA, Bonn (DE).

Zhang, Rui, Sun, Kai, Delgado, Michael S. and Kumbhakar, Subal (2012). Productivity in China's high technology industry:regional heterogeneity and R&D. Technological Forecasting and Social Change, 79 (1), pp. 127-141.

Sun, Kai and Kumbhakar, Subal (2012). Semiparametric smooth-coefficient stoachastic frontier model. IN: Congrès AFSE 2012. 2012-07-02 - 2012-10-04.

Delgado, Michael S., Sun, Kai and Kumbhakar, Subal (2010). Evaluating the environmental Kuznets curve. Working Paper. Binghamton University, Binghamton. (Unpublished)