panel are employed to obtain measures of efficiency for those journals belonging simultaneously to the areas of “economics …” and “social science, mathematical methods” in the Web of Science database. This efficiency is measured in terms of the …

use stochastic frontier analysis methods to test for productivity and efficiency differences in manufacturing throughout … frontier estimations confirm very similar regional patterns. Nevertheless, efficiency varies strongly within states, indicating …

Typically, the error term in stochastic frontier models is assumed to be positively skewed; however, efficiency scores … all model parameters and efficiency scores can be estimated consistently regardless of positive or negative inefficiency …

-sample performance of our estimators. An empirical study of efficiency trends in the largest banks operating in the U.S. from 1990 to …

Using a stochastic frontier model and a comprehensive dataset, we study factors that affect corporate efficiency in … efficiency, and (iii) high competition is less conductive to efficiency than moderate or low competition. In terms of ownership …, we find that (iv) efficiency increases when a majority owner must deal with minority shareholders and that (v) domestic …