Ahn, Seung; Sickles, Robin - In: Econometric Reviews 19 (2000) 4, pp. 461-492
Cornwell, Schmidt, and Sickles (1990) and Kumbhakar (1990), among others, developed stochasticfrontier production models which allow firm specific inefficiency levels to change over time. These studies assumed arbitrary restrictions on the short-run dynamics of efficiency levels which have...