investigate why this occurs, propose a frontier measure of competition, and apply it to five major bank service lines using data … only available since 2008. Fee-based banking services comprise 35% of bank revenues so assessing competition by service … line is preferred to using a single measure for traditional activities extended to the entire bank. Academic …

and functional estimators of the regression parameters in a measurement error model. While structural methods, in … general. But by modifying the QS method, the adverse effect of the nuisance parameters can be overcome. For small measurement …

This paper provides new empirical evidence on regional-national disparities in environmental efficiency, based on case … of environmental efficiency and on sector specificity. This confirms the usefulness of this method for studying the … environmental economics realm, in order to investigate structural and efficiency factors at the level of within country …