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Article

Bhaumik, Sumon K.; Kumbhakar, Subal C. and Sun, Kai (2015). A note on a semiparametric approach to estimating financing constraints in firms. European Journal of Finance, 21 (12), pp. 992-1004.

Heshmati, Almas; Kumbhakar, Subal C. and Sun, Kai (2014). Estimation of productivity in Korean electric power plants:a semiparametric smooth coefficient model. Energy Economics, 45 , pp. 491-500.

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.

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; Henderson, Daniel J. and Kumbhakar, Subal (2011). Biases in approximating log production. Journal of Applied Econometrics, 26 (4), pp. 708-714.

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

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

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

Zhang, Rui; Sun, Kai and Kumbhakar, Subal C. Re-examination of the growth mode and structural change of China’s manufacturing industry:based on semi-parametric smooth coefficient model. Economic Theory and Business Management, 5 , pp. 80-90.

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

Monograph

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).

Sun, Kai; Kumbhakar, Subal and Poghosyan, Tigran (2012). Total factor productivity growth in the US banking industry:a multiproduct distance function approach. Working Paper. UNSPECIFIED. (Unpublished)

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 (Unpublished)

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 (Unpublished)

Conference or Workshop Item

Heshmati, Almas; Kumbhakar, Subal C. and Sun, Kai (2013). Estimation of productivity in Korean electric power plants:a semiparametric smooth coefficient model. IN: 13th European Workshop on Efficiency and Productivity Analysis. 2013-06-17 - 2013-06-20.

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