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Subal Chandra Kumbhakar

Professor II

Handelshøgskolen ved UiS

Avd. for innovasjon, led. og mark.føring
Publications
  • Vitenskapelige publikasjoner
    • Alemayehu, Fikru Kefyalew; Kumbhakar, Subal Chandra

      (2021)

      Excess capacity, production technology and technical inefficiency in hospitality sector. .

      Tourism Management

      ISSN 0261-5177.

      Volum 82.

      DOI: 10.1016/j.tourman.2020.104202

    • Kumbhakar, Subal Chandra; Li, Mingyang; Zhao, Shunan

      (2021)

      Estimation of technical change: Direct semi/nonparametric approaches.

      Economics Letters

      ISSN 0165-1765.

      Volum 199.

      s.1-6.

      DOI: 10.1016/j.econlet.2021.109734

    • Kumbhakar, Subal Chandra; Mydland, Ørjan; Musau, Andrew; Lien, Gudbrand

      (2020)

      Disentangling Costs of Persistent and Transient Technical Inefficiency and Input Misallocation: The Case of Norwegian Electricity Distribution Firms.

      Energy Journal

      ISSN 0195-6574.

      Volum 41.

      Hefte 3.

      s.143-160.

      DOI: 10.5547/01956574.41.3.skum

    • Musau, Andrew; Kumbhakar, Subal Chandra; Mydland, Ørjan; Lien, Gudbrand

      (2020)

      Determinants of allocative and technical inefficiency in stochastic frontier models: An analysis of Norwegian electricity distribution firms.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 288.

      s.983-991.

      DOI: 10.1016/j.ejor.2020.06.023

    • Hou, Zhezhi; Jin, Man; Kumbhakar, Subal Chandra

      (2020)

      Productivity spillovers and human capital: A semiparametric varying coefficient approach.

      European Journal of Operational Research

      ISSN 0377-2217.

      s.317-330.

      DOI: 10.1016/j.ejor.2020.04.039

    • Jin, Man; Zhao, Shunan; Kumbhakar, Subal Chandra

      (2020)

      Information asymmetry and leverage adjustments: A semiparametric varying-coefficient approach.

      Journal of the Royal Statistical Society: Series A (Statistics in Society)

      ISSN 0964-1998.

      Volum 183.

      Hefte 2.

      s.581-605.

      DOI: 10.1111/rssa.12524

    • Tsionas, Mike G.; Malikov, Emir; Kumbhakar, Subal Chandra

      (2020)

      Endogenous dynamic efficiency in the intertemporal optimization models of firm behavior.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 284.

      Hefte 1.

      s.313-324.

      DOI: 10.1016/j.ejor.2019.12.026

    • Badunenko, Oleg; Kumbhakar, Subal Chandra

      (2020)

      Energy Intensity and Long- and Short-Term Efficiency in US Manufacturing Industry.

      Energies

      ISSN 1996-1073.

      Volum 13.

      Hefte 15.

      DOI: 10.3390/en13153954

    • Zhao, Shunan; Qian, Bing; Kumbhakar, Subal Chandra

      (2020)

      Estimation of productivity and markups with price dispersion: Evidence from Chinese manufacturing during economic transition.

      Southern Economic Journal

      ISSN 0038-4038.

      Volum 87.

      s.666-699.

      DOI: 10.1002/soej.12457

    • Zhao, Shunan; Jin, Man; Kumbhakar, Subal Chandra

      (2020)

      Estimation of firm productivity in the presence of spillovers and common shocks.

      Empirical Economics

      ISSN 0377-7332.

      DOI: 10.1007/s00181-020-01922-3

    • Tsionas, Mike G.; Kumbhakar, Subal Chandra

      (2020)

      Stochastic frontier models with time-varying conditional variances.

      European Journal of Operational Research

      ISSN 0377-2217.

      DOI: 10.1016/j.ejor.2020.11.008

    • Badunenko, Oleg; Mazrekaj, Deni; Kumbhakar, Subal Chandra; De Witte, Kristof

      (2020)

      Persistent and transient inefficiency in adult education.

      Empirical Economics

      ISSN 0377-7332.

      DOI: 10.1007/s00181-020-01966-5

    • Kumbhakar, Subal Chandra; Tsionas, Mike G.

      (2020)

      Dissections of input and output efficiency: A generalized stochastic frontier model.

      International Journal of Production Economics

      ISSN 0925-5273.

      DOI: 10.1016/j.ijpe.2020.107940

    • Zhang, Ruohao; Kumbhakar, Subal Chandra; Lai, Hung-pin

      (2020)

      Estimation of panel model with heteroskedasticity in both idiosyncratic and individual specific errors.

      Econometric Reviews

      ISSN 0747-4938.

      DOI: 10.1080/07474938.2020.1808372

    • Jin, Man; Tian, Huiting; Kumbhakar, Subal Chandra

      (2019)

      How to survive and compete: the impact of information asymmetry on productivity.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      DOI: 10.1007/s11123-019-00562-9

    • Mydland, Ørjan; Kumbhakar, Subal Chandra; Lien, Gudbrand; Amundsveen, Roar; Kvile, Hilde Marit

      (2019)

      Economies of scope and scale in the Norwegian electricity industry.

      Economic Modelling

      ISSN 0264-9993.

      Volum 88.

      Hefte 39.

      DOI: 10.1016/j.econmod.2019.09.008

    • Lai, Hung-pin; Kumbhakar, Subal Chandra

      (2019)

      Technical and allocative efficiency in a panel stochastic production frontier system model.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 278.

      Hefte 1.

      s.255-265.

      DOI: 10.1016/j.ejor.2019.04.001

    • Alem, Habtamu; Lien, Gudbrand; Kumbhakar, Subal Chandra; Hardaker, J. Brian

      (2018)

      Are diversification and structural change good policy? An empirical analysis of Norwegian agriculture.

      Journal of Agricultural and Applied Economics

      ISSN 1074-0708.

      Volum 51.

      Hefte 1.

      s.1-26.

      DOI: 10.1017/aae.2018.17

    • Lien, Gudbrand; Kumbhakar, Subal Chandra; Alem, Habtamu

      (2018)

      Endogeneity, heterogeneity, and determinants of inefficiency in Norwegian crop-producing farms.

      International Journal of Production Economics

      ISSN 0925-5273.

      Volum 201.

      s.53-61.

      DOI: 10.1016/j.ijpe.2018.04.023

    • Malikov, Emir; Restrepo-Tobon, Diego; Kumbhakar, Subal Chandra

      (2018)

      Heterogeneous credit union production technologies with endogenous switching and correlated effects.

      Econometric Reviews

      ISSN 0747-4938.

      Volum 37.

      Hefte 10.

      s.1095-1119.

      DOI: 10.1080/07474938.2016.1222234

    • Lai, Hung-pin; Kumbhakar, Subal Chandra

      (2018)

      Panel data stochastic frontier model with determinants of persistent and transient inefficiency.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 271.

      Hefte 2.

      s.746-755.

      DOI: 10.1016/j.ejor.2018.04.043

    • Tsionas, Efthymios G.; Malikov, Emir; Kumbhakar, Subal Chandra

      (2018)

      An internally consistent approach to the estimation of market power and cost efficiency with an application to U.S. banking.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 270.

      Hefte 2.

      s.747-760.

      DOI: 10.1016/j.ejor.2018.04.012

    • Lai, Hung-pin; Kumbhakar, Subal Chandra

      (2018)

      Endogeneity in panel data stochastic frontier model with determinants of persistent and transient inefficiency.

      Economics Letters

      ISSN 0165-1765.

      Volum 162.

      s.5-9.

      DOI: 10.1016/j.econlet.2017.10.003

    • Yao, Feng; Wang, Taining; Tian, Jinjing; Kumbhakar, Subal Chandra

      (2018)

      Estimation of a smooth coefficient zero-inefficiency panel stochastic frontier model: A semiparametric approach.

      Economics Letters

      ISSN 0165-1765.

      Volum 166.

      s.25-30.

      DOI: 10.1016/j.econlet.2018.02.015

    • Malikov, Emir; Sun, Kai; Kumbhakar, Subal Chandra

      (2018)

      Nonparametric estimates of the clean and dirty energy substitutability.

      Economics Letters

      ISSN 0165-1765.

      Volum 168.

      s.118-122.

      DOI: 10.1016/j.econlet.2018.04.017

    • Kumbhakar, Subal Chandra; Lien, Gudbrand

      (2017)

      Yardstick Regulation of Electricity Distribution – Disentangling Short-run and Long-run Inefficiencies.

      Energy Journal

      ISSN 0195-6574.

      Volum 38.

      Hefte 5.

      s.17-37.

      DOI: 10.5547/01956574.38.5.skum

    • Restrepo-Tobon, Diego; Kumbhakar, Subal Chandra

      (2017)

      A new method to decompose profit efficiency: an application to US commercial banks.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      Volum 48.

      Hefte 2-3.

      s.117-132.

      DOI: 10.1007/s11123-017-0511-9

    • Badunenko, Oleg; Kumbhakar, Subal Chandra

      (2017)

      Economies of scale, technical change and persistent and time-varying cost efficiency in Indian banking: Do ownership, regulation and heterogeneity matter?.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 260.

      Hefte 2.

      s.789-803.

      DOI: 10.1016/j.ejor.2017.01.025

    • Kumbhakar, Subal Chandra; Asche, Frank; Roll, Kristin Helen; Tveterås, Ragnar

      (2016)

      A General Error Revenue Function Model with Technical Inefficiency: An Application to Norwegian Fishing Trawler. I: Productivity and Efficiency Analysis.

      Springer

      ISBN 978-3-319-23228-7.

      s.51-70.

      DOI: 10.1007/978-3-319-23228-7_3

    • Lien, Gudbrand; Kumbhakar, Subal Chandra; Hardaker, J. Brian

      (2016)

      Accounting for risk in productivity analysis: an application to Norwegian dairy farming.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      Volum 47.

      Hefte 3.

      s.247-257.

      DOI: 10.1007/s11123-016-0482-2

    • Kumbhakar, Subal Chandra; Sun, Kai; Zhang, Rui

      (2016)

      Semiparametric smooth coefficient estimation of a production system.

      Pacific Economic Review

      ISSN 1361-374X.

      Volum 21.

      Hefte 4.

      s.464-482.

      DOI: 10.1111/1468-0106.12193

    • Badunenko, Oleg; Kumbhakar, Subal Chandra

      (2016)

      When, where and how to estimate persistent and transient efficiency in stochastic frontier panel data models.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 255.

      Hefte 1.

      s.272-287.

      DOI: 10.1016/j.ejor.2016.04.049

    • Kumbhakar, Subal Chandra; Lai, Hung-pin

      (2016)

      Maximum likelihood estimation of the revenue function system with output-specific technical efficiency.

      Economics Letters

      ISSN 0165-1765.

      Volum 138.

      s.42-45.

      DOI: 10.1016/j.econlet.2015.11.021

    • Parmeter, Christopher F.; Wang, Hung-Jen; Kumbhakar, Subal Chandra

      (2016)

      Nonparametric estimation of the determinants of inefficiency.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      DOI: 10.1007/s11123-016-0479-x

    • Restrepo-Tobon, Diego; Kumbhakar, Subal Chandra; Sun, Kai

      (2015)

      Obelix vs. Asterix: Size of US commercial banks and its regulatory challenge.

      Journal of Regulatory Economics

      ISSN 0922-680X.

      Volum 48.

      Hefte 2.

      s.125-168.

      DOI: 10.1007/s11149-015-9275-1

    • Sun, Kai; Kumbhakar, Subal Chandra; Tveterås, Ragnar

      (2015)

      Productivity and efficiency estimation: A semiparametric stochastic cost frontier approach.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 245.

      Hefte 1.

      s.194-202.

      DOI: 10.1016/j.ejor.2015.03.003

    • Kumbhakar, Subal Chandra; Amundsveen, Roar; Kvile, Hilde Marit; Lien, Gudbrand

      (2015)

      Scale economies, technical change and efficiency in Norwegian electricity distribution, 1998–2010.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      Volum 43.

      Hefte 3.

      s.295-305.

      DOI: 10.1007/s11123-014-0427-6

    • Henderson, Daniel J.; Kumbhakar, Subal Chandra; Li, Qi; Parmeter, Christopher F.

      (2015)

      Smooth coefficient estimation of a seemingly unrelated regression.

      Journal of Econometrics

      ISSN 0304-4076.

      Volum 189.

      Hefte 1.

      s.148-162.

      DOI: 10.1016/j.jeconom.2015.07.002

    • Malikov, Emir; Kumbhakar, Subal Chandra; Tsionas, Efthymios G.

      (2015)

      Bayesian Approach to Disentangling Technical and Environmental Productivity.

      Econometrics

      ISSN 2225-1146.

      Hefte 3.

      s.443-465.

      DOI: 10.3390/econometrics3020443

    • Kumbhakar, Subal Chandra; Lien, Gudbrand; Hardaker, J. Brian

      (2014)

      Technical efficiency in competing panel data models: a study of Norwegian grain farming.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      Volum 41.

      Hefte 2.

      s.321-337.

      DOI: 10.1007/s11123-012-0303-1

    • Malikov, Emir; Kumbhakar, Subal Chandra

      (2014)

      A generalized panel data switching regression model.

      Economics Letters

      ISSN 0165-1765.

      Volum 124.

      Hefte 3.

      s.353-357.

      DOI: 10.1016/j.econlet.2014.06.022

    • Delgado, Michael S.; McCloud, Nadine; Kumbhakar, Subal Chandra

      (2014)

      A generalized empirical model of corruption, foreign direct investment, and growth.

      Journal of macroeconomics

      ISSN 0164-0704.

      Volum 42.

      s.298-316.

      DOI: 10.1016/j.jmacro.2014.09.007

    • Tsionas, Efthymios G.; Kumbhakar, Subal Chandra

      (2014)

      Firm heterogeneity, persistent and transient technical inefficiency: A generalized true random-effects model.

      Journal of applied econometrics

      ISSN 0883-7252.

      Volum 29.

      Hefte 1.

      s.110-132.

      DOI: 10.1002/jae.2300

    • Parmeter, Christopher F.; Sun, Kai; Henderson, Daniel J.; Kumbhakar, Subal Chandra

      (2014)

      Estimation and inference under economic restrictions.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      Volum 41.

      Hefte 1.

      s.111-129.

      DOI: 10.1007/s11123-013-0339-x

    • Sipiläinen, Timo; Kumbhakar, Subal Chandra; Lien, Gudbrand

      (2014)

      Performance of dairy farms in Finland and Norway from 1991 to 2008.

      European Review of Agricultural Economics

      ISSN 0165-1587.

      Volum 41.

      Hefte 1.

      s.63-86.

      DOI: 10.1093/erae/jbt012

    • Kumbhakar, Subal Chandra; Asche, Frank; Tveterås, Ragnar

      (2013)

      Estimation and decomposition of inefficiency when producers maximize return to the outlay: an application to Norwegian fishing trawlers.

      Journal of Productivity Analysis

      ISSN 0895-562X.

      Volum 40.

      Hefte 3.

      s.307-321.

      DOI: 10.1007/s11123-012-0336-5

    • Kumbhakar, Subal Chandra; Parmeter, Christopher F.; Tsionas, Eftymios G.

      (2013)

      A zero inefficiency stochastic frontier model.

      Journal of Econometrics

      ISSN 0304-4076.

      Volum 172.

      Hefte 1.

      s.66-76.

      DOI: 10.1016/j.jeconom.2012.08.021

    • Kumbhakar, Subal Chandra

      (2013)

      Specification and estimation of multiple output technologies: A primal approach.

      European Journal of Operational Research

      ISSN 0377-2217.

      Volum 231.

      Hefte 2.

      s.465-473.

      DOI: 10.1016/j.ejor.2013.05.019

    • Sun, Kai; Kumbhakar, Subal Chandra

      (2013)

      Semiparametric smooth-coefficient stochastic frontier model.

      Economics Letters

      ISSN 0165-1765.

      Volum 120.

      Hefte 2.

      s.305-309.

      DOI: 10.1016/j.econlet.2013.05.001

    • Das, Abhiman; Kumbhakar, Subal Chandra

      (2012)

      Productivity and efficiency dynamics in Indian banking: An input distance function approach incorporating quality of inputs and outputs.

      Journal of applied econometrics

      ISSN 0883-7252.

      Volum 27.

      Hefte 2.

      s.205-234.

      DOI: 10.1002/jae.1183

    • Kumbhakar, Subal Chandra; Baardsen, Sjur; Lien, Gudbrand

      (2012)

      A New Method for Estimating Market Power with an Application to Norwegian Sawmilling.

      Review of Industrial Organization

      ISSN 0889-938X.

      Volum 40.

      Hefte 2.

      s.109-129.

      DOI: 10.1007/s11151-012-9339-7

    • McCloud, Nadine; Kumbhakar, Subal Chandra

      (2012)

      Institutions, foreign direct investment and growth: a hierarchical Bayesian approach.

      Journal of the Royal Statistical Society: Series A (Statistics in Society)

      ISSN 0964-1998.

      Volum 175.

      s.83-105.

      DOI: 10.1111/j.1467-985X.2011.00710.x

    • Kumbhakar, Subal Chandra; Sun, Kai

      (2012)

      Estimation of TFP growth: a semiparametric smooth coefficient approach.

      Empirical Economics

      ISSN 0377-7332.

      Volum 43.

      Hefte 1.

      s.1-24.

      DOI: 10.1007/s00181-011-0468-x

    • Asheim, Leif Jarle; Dahl, Roy Endre; Kumbhakar, Subal C.; Øglend, Atle; Tveterås, Ragnar

      (2011)

      Are Prices or Biology Driving the Short-Term Supply of Farmed Salmon?.

      Marine Resource Economics

      ISSN 0738-1360.

      Volum 26.

      Hefte 4.

      s.343-357.

      DOI: 10.5950/0738-1360-26.4.343

  • Bøker og kapitler
  • Formidling
    • Kai, Sun; Kumbhakar, Subal Chandra; Tveterås, Ragnar

      (2019)

      Estimation of A Four Component Semiparametric Stochastic Production Frontier Model with Endogenous Regressors and Determinants of Inefficiency.

    • Alem, Habtamu; Lien, Gudbrand; Kumbhakar, Subal Chandra; Hardaker, J. Brian

      (2019)

      Economies of scale and scope among the Norwegian dairy and crop farms .

    • Tveterås, Ragnar; Kumbhakar, Subal Chandra

      (2019)

      Immigrant wage gaps and determinants: A stochastic wage frontier approach using linked employer-employee data.

    • Kumbhakar, Subal Chandra; Mydland, Ørjan; Musau, Andrew; Lien, Gudbrand

      (2018)

      Disentangling persistent and transient technical and allocative inefficiency: The case of Norwegian electricity distribution firms.

    • Alem, Habtamu; Lien, Gudbrand; Kumbhakar, Subal Chandra; J. Brian, Hardaker

      (2017)

      Economies of Scale and Scope among the Norwegian Dairy and Crop-producing Farms: a regional analysis using flexible technology approach.

    • Lien, Gudbrand; Kumbhakar, Subal Chandra; Alem, Habtamu

      (2016)

      Determinants of Short- and Long-Run Efficiency: A study of crop production in Norway.

    • Lien, Gudbrand; Kumbhakar, Subal Chandra

      (2012)

      Estimation of technological change using cross-sectional data.

    • Lien, Gudbrand; Amundsveen, Roar; Kvile, Hilde Marit; Kumbhakar, Subal Chandra

      (2012)

      Scale economies, technical change and efficiency in Norwegian electricity distribution 1998-2010".

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