Volume 46 of Advances in Econometrics presents essays in honor of Subhal Kumbhakar. His influence on the applied productivity and efficiency profession is legion, as evidenced by his voluminous body of research, must read textbook and attendance at sessions where he is presenting or his work is...

Data envelopment analysis (DEA) and stochastic frontier analysis (SFA), as well as combinations thereof, are widely applied in incentive regulation practice, where the assessment of efficiency plays a major role in regulation design and benchmarking. Using a Monte Carlo simulation experiment,...

We study the differential impact of exchange rate volatility on cost efficiency and market structure when banks have non-trivial exposures to foreign currency operations. First, we document that cost efficiency estimates are both severely downward biased by 30% on average and generally not rank...