Publications

• Testing specification of distribution in stochastic frontier analysis (with M.-Y. Cheng, S. Wang and L. Xia), Journal of Econometrics, 2024, 105280.

• A nonparametric panel data model for examining the contribution of tourism to economic growth (with Ergun Dogan), Economic Modelling, 2023, 128, 106487

• Time-varying income and price elasticities for energy demand: Evidence from a middle-income panel (with B. Liddle and R. Smyth), Energy Economics, forthcoming.

• A panel data model of length of stay in hospitals for hip replacements (with Y. Meng, J. Gao and X. Zhao), Econometric Reviews, forthcoming.

• Oil prices and economic policy uncertainty: Evidence from a nonparametric panel data model (with A. Hailemariam and R. Smyth), Energy Economics, 2019, 83, 40-51.

• R&D intensity and carbon emissions in the G7: 1870-2014 (with S. Awaworyi Churchill, J. Inekwe and R. Smyth), Energy Economics, 2019, 80, 30-37.

• Estimation of inefficiency in stochastic frontier models: A Bayesian kernel approach (with G. Feng and C. Wang), Journal of Productivity Analysis, 2019, 51(1), 1-19.

• Nonparametric panel data model for crude oil and stock market prices in net oil importing countries (with P. Silvapulle, R. Smyth and J.-P. Fenech), Energy Economics, 2017, 67, 255-267.

• A semiparametric approach to mortality modeling (with H. Li and C. O'Hare), Insurance: Mathematics and Economics, 2015, 61, 264-270.

Papers submitted or work in progress

• Bayesian estimation for panel stochastic frontier models [with P. Nie]

• Testing specifiation of the inefficiency in stochastic frontier models [with M.-Y. Cheng, S. Penev and S. Wang]