The high levels of operating efficiency, profits, and market values for banks in the years before the financial crisis raise reasonable doubts about the accuracy of the assessments of the efficiency of banking intermediation. We examine the productivity growth in Spanish banks in the pre-crisis...

A system of multivariate semiparametric nonlinear time series models is studied with possible dependence structures and nonstationarities in the parametric and nonparametric components. The parametric regressors may be endogenous while the nonparametric regressors are assumed to be strictly...