Subal C. Kumbhakar is an Indian born American economist. He is a Distinguished Research Professor of Economics at Binghamton University.[1] He was awarded Doctor Honoris Causa, 1997, Gothenburg University, Sweden.[2] He is a fellow of Journal of Econometrics,[3] distinguished author of Journal of Applied Econometrics,[4] co-editor of the Social Science Citation Index journal Empirical Economics,[5] coauthor of a highly cited book on Stochastic Frontier Analysis.[6] He is associated with the University of Stavanger, Norway[7] and Inland School of Business and Social Sciences, Lillehammer, Norway.[8] He advises Oxera Consulting LLP Oxford, UK[9] on regulatory performance measures.[10] He is internationally known for his research on efficiency and productivity. His models on efficiency and productivity are used by researchers worldwide.
Academic career
Subal received his Ph.D. in economics from the University of Southern California in 1986. His main area of research is on econometric estimation of efficiency and productivity using Stochastic Frontier Approach. He has formulated a variety of panel data models to measure efficiency, which are applied by researchers and practitioners all over the world. His recent works include estimating green productivity and environmental efficiency. He also researched on economics. His current research includes productivity measurement.
Subal is currently a co-editor of Empirical Economics.[5] He has also been serving as a Board of Editors and/or associate editors of Journal of Productivity Analysis since 1998,[11] Technological Forecasting and Social Change: An International Journal since 1991,[12] Journal of Regulatory Economics since 2015,[13] Macroeconomics and Finance in Emerging Market Economies since 2007,[14] Applied Econometrics since 2016,[15] Ecos de Economia: A Latin American Journal of Applied Economics since 2016.[16]
Subal is a co-author of the books Stochastic Frontier Analysis[6] (2000) with Knox Lovell, and A Practitioner's Guide to Stochastic Frontier Analysis (2015) with H-J Wang and A Horncastle, both published by the Cambridge University Press.
Kumbhakar, Subal; Jin, Man; Zhao, Shunan (2019). "Information Asymmetry and Leverage Adjustments: A Semiparametric Varying Coefficient Approach". Journal of the Royal Statistical Society, Series A (Statistics in Society). 183 (2): 581–605. doi:10.1111/rssa.12524. S2CID209980241.
Kumbhakar, Subal; Lai, Hung-pin (2019). "Technical and Allocative Efficiency in a Panel Stochastic Production Frontier System Model". European Journal of Operational Research. 278 (1): 255–265. doi:10.1016/j.ejor.2019.04.001. S2CID132710806.
Kumbhakar, Subal; Bokusheva, Raushan (2009). "Modeling Farm's Production Decisions under Expenditure Constraints". European Review of Agricultural Economics. 36 (3): 343–367. doi:10.1093/erae/jbp031. hdl:20.500.11850/413528.
Kumbhakar, Subal; Wang, Hung-Jen (2006). "Pitfalls in the Estimation of Cost Function Ignoring Allocative Inefficiency: A Monte Carlo Analysis". Journal of Econometrics. 134 (2): 317–340. doi:10.1016/j.jeconom.2005.06.025.
Kumbhakar, Subal; Sarkar, Subrata (2003). "Deregulation, Ownership and Productivity Growth in the Banking Industry: Evidence from India". Journal of Money, Credit and Banking. 35 (3): 403–424. doi:10.1353/mcb.2003.0020. JSTOR3649838. S2CID153552779.
Kumbhakar, Subal; Hjalmarsson, Lennart (1998). "Relative Performance of Public and Private Ownership under Yardstick Competition: Electricity Retail Distribution". European Economic Review. 42 (1): 97–122. doi:10.1016/S0014-2921(96)00052-9.
Kumbhakar, Subal; Heshmati, Almas (1996). "Technical Change and Total Factor Productivity Growth in Swedish Manufacturing Industries". Econometric Reviews. 15 (3): 275–298. doi:10.1080/07474939608800356.
Kumbhakar, Subal; Wheelock, David (1995). "Which Banks Chose Deposit Insurance? Evidence of Adverse Selection and Moral Hazard in a Voluntary Insurance System". Journal of Money, Credit and Banking. 27 (1): 186–201. doi:10.2307/2077858. JSTOR2077858.
Kumbhakar, Subal (1992). "Allocative Distortions, Technical Progress, and Input Demand in U.S. Airlines: 1970-1984". International Economic Review. 33 (3): 723–737. doi:10.2307/2527135. JSTOR2527135.
Kumbhakar, Subal; Ghosh, Soumendra; McGuckin, Thomas (1991). "A Generalized Production Frontier Approach for Estimating Determinants of Inefficiency in U.S Dairy Farms". Journal of Business and Economic Statistics. 9 (3): 279–286. doi:10.1080/07350015.1991.10509853.
Kumbhakar, Subal (1987). "The Specification of Technical and Allocative Inefficiency in Stochastic Production and Profit Frontiers". Journal of Econometrics. 34 (3): 335–348. doi:10.1016/0304-4076(87)90016-9.