considered as a measure of this objective and, in turn, as a measure of productivity in relation to the production process in … which the journals are involved. In order to assess this production process, in this paper econometric models using data … panel are employed to obtain measures of efficiency for those journals belonging simultaneously to the areas of “economics …

health production function is used to estimate the impact of malaria incidence on agricultural efficiency. Data come from the … incidence and ultimately on agricultural efficiency. We use a non-parametric method to estimate agricultural efficiency …, therefore avoiding the issue of identification of the proper household agricultural production function. In addition the simar …