New uses of DEA and statistical regressions for efficiency evaluation and estimation - with an illustrative application to public secondary schools in Texas. - Victor L. Arnold; Indranil R. Bardhan; William W. Cooper; Subal C. Kumbhakar (Ann. Oper. Res., 1996)

Alternative statistical regression studies of the effects of Joint and Service Specific advertising on military recruitment. - Patrick L. Brockett; William W. Cooper; Subal C. Kumbhakar; M. J. Kwinn Jr; D. McCarthy (J. Oper. Res. Soc., 2004)

Estimation of production risk and risk preference function: a nonparametric approach. - Subal C. Kumbhakar; Efthymios G. Tsionas (Ann. Oper. Res., 2010)

Estimation of production technology when the objective is to maximize return to the outlay. - Subal C. Kumbhakar (Eur. J. Oper. Res., 2011)

Specification and estimation of primal production models. - Subal C. Kumbhakar (Eur. J. Oper. Res., 2012)

Specification and estimation of multiple output technologies: A primal approach. - Subal C. Kumbhakar (Eur. J. Oper. Res., 2013)

Productivity and efficiency estimation: A semiparametric stochastic cost frontier approach. - Kai Sun; Subal C. Kumbhakar; Ragnar Tveterås (Eur. J. Oper. Res., 2015)

When, where and how to estimate persistent and transient efficiency in stochastic frontier panel data models. - Oleg Badunenko; Subal C. Kumbhakar (Eur. J. Oper. Res., 2016)

Estimation of firm performance from a MIMIC model. - Kausik Chaudhuri; Subal C. Kumbhakar; Lavanya Sundaram (Eur. J. Oper. Res., 2016)

Economies of scale, technical change and persistent and time-varying cost efficiency in Indian banking: Do ownership, regulation and heterogeneity matter? - Oleg Badunenko; Subal C. Kumbhakar (Eur. J. Oper. Res., 2017)

Panel data stochastic frontier model with determinants of persistent and transient inefficiency. - Hung-Pin Lai; Subal C. Kumbhakar (Eur. J. Oper. Res., 2018)

An internally consistent approach to the estimation of market power and cost efficiency with an application to U.S. banking. - Efthymios G. Tsionas; Emir Malikov; Subal C. Kumbhakar (Eur. J. Oper. Res., 2018)

Financial constraints and firm productivity: Evidence from Chinese manufacturing. - Man Jin; Shunan Zhao; Subal C. Kumbhakar (Eur. J. Oper. Res., 2019)

Technical and allocative efficiency in a panel stochastic production frontier system model. - Hung-Pin Lai; Subal C. Kumbhakar (Eur. J. Oper. Res., 2019)

Productivity spillovers and human capital: A semiparametric varying coefficient approach. - Zhezhi Hou; Man Jin; Subal C. Kumbhakar (Eur. J. Oper. Res., 2020)

On the estimation of technical and allocative efficiency in a panel stochastic production frontier system model: Some new formulations and generalizations. - Subal C. Kumbhakar; Mike G. Tsionas (Eur. J. Oper. Res., 2020)

Endogenous dynamic efficiency in the intertemporal optimization models of firm behavior. - Mike G. Tsionas; Emir Malikov; Subal C. Kumbhakar (Eur. J. Oper. Res., 2020)

Nonparametric estimation of the determinants of inefficiency in the presence of firm heterogeneity. - Jianhua Zhou; Christopher F. Parmeter; Subal C. Kumbhakar (Eur. J. Oper. Res., 2020)

Achieving a sustainable cost-efficient business model in banking: The case of European commercial banks. - Oleg Badunenko; Subal C. Kumbhakar; Ana Lozano-Vivas (Eur. J. Oper. Res., 2021)

Determinants of allocative and technical inefficiency in stochastic frontier models: An analysis of Norwegian electricity distribution firms. - Andrew Musau; Subal C. Kumbhakar; Ørjan Mydland; Gudbrand Lien (Eur. J. Oper. Res., 2021)

Stochastic frontier models with time-varying conditional variances. - Mike G. Tsionas; Subal C. Kumbhakar (Eur. J. Oper. Res., 2021)

Decomposition of Output, Productivity and Market Structure Changes. - Minjie Huang; Shunan Zhao; Subal C. Kumbhakar (Eur. J. Oper. Res., 2022)

Do subsidies increase firm productivity? Evidence from Chinese manufacturing enterprises. - Mingyang Li; Man Jin; Subal C. Kumbhakar (Eur. J. Oper. Res., 2022)

Does risk management affect productivity of organic rice farmers in India? Evidence from a semiparametric production model. - Gudbrand Lien; Subal C. Kumbhakar; Ashok K. Mishra; J. Brian Hardaker (Eur. J. Oper. Res., 2022)

Corrigendum to "Stochastic frontier models with time-varying conditional variances" [European Journal of Operational Research 292 (2021) 1115-1132]. - Mike G. Tsionas; Subal C. Kumbhakar (Eur. J. Oper. Res., 2022)

The GMM estimation of semiparametric spatial stochastic frontier models. - Zhezhi Hou; Shunan Zhao; Subal C. Kumbhakar (Eur. J. Oper. Res., 2023)

Dynamic firm performance and estimator choice: A comparison of dynamic panel data estimators. - Joshua Cave; Kausik Chaudhuri; Subal C. Kumbhakar (Eur. J. Oper. Res., 2023)

The Yin and Yang of banking: Modeling desirable and undesirable outputs. - Yulu Wang; Subal C. Kumbhakar; Man Jin (Eur. J. Oper. Res., 2025)