Handbook of Production Economics

Subhash C. Ray
 is a Professor of Economics at the University of Connecticut, USA. His principal area of research is nonparametric measurement of productivity and efficiency using Data Envelopment Analysis (DEA). His reference textbook 
Data Envelopment Analysis: Theory and Techniques for Economics and Operations Research
 (Cambridge University Press) was published in 2004. He is an Associate Editor of 
Journal of Productivity Analysis
. He has served as guest editor of special issues of Journal of Productivity Analysis and  
Indian Economic Review
. He was a member of the Editorial Board of 
Indian Economic Review.
 He has lectured and conducted workshops on DEA in different countries including China, India, Korea, England, Brazil, Peru, Germany, Malaysia, and Turkey, among others. He received the W.W. Cooper Lifetime Contribution Award from International DEA Society in 2016.

Robert G. Chambers
 wasborn in Washington, DC and raised in nearby Rockville, Maryland. He received his undergraduate training at Georgetown University, his MS degree from the University of Maryland, and his PhD from the University of California (Berkeley). He joined the faculty at the University of Maryland in 1979 and has been there ever since apart from leave to serve as Senior Economist at the US President’s Council of Economic Advisers. He is a Fellow of the Agricultural and Applied Economics Association. His areas of interest include production economics, microeconomic theory, decision-making under uncertainty, and agricultural economics. He is married and has three sons, Christopher, Geoffrey, and Timothy. He currently resides in Maryland, New York, and New Mexico with his wife, Michelle, his youngest son, Tim, and their Portuguese Water Dogs, Nelson and Skipper.

Subal Kumbhakar
 Professor Subal C. His main area of research is applied microeconomics with a focus on estimation of efficiency in production using cross-sectional and panel data.

Professor Kumbhakar is a Fellow of Journal of Econometrics (1998) and a distinguished author of Journal of Applied Econometrics (2017). He holds an Honorary Doctorate degree (Doctor Honoris Causa) from Gothenburg University, Sweden (1997).

              Professor Kumbhakar is currently a co-editor of Empirical Economics and served as an associate editor of Empirical Economics since 2001, American Journal of Agricultural Economics (1997-1999). He is a Board Member

of 
Journal of Regulatory Economics
 since 2015.

Professor Kumbhakar is the co-author (with Knox Lovell) of Stochastic Frontier Analysis (2000), A Practitioner's Guide to Stochastic Frontier Analysis Using Stata (with Hung-Jen Wang and A. Horncastle) (2015) both published by the Cambridge University Press.