Do negative interest rates affect banks' cost efficiency? We exploit the unprecedented introduction of negative policy interest rates in the euro area to investigate whether banks make a virtue out of necessity in reacting to negative interest rates by adjusting their cost efficiency. We find...

This study aimed to estimate the Technical Efficiency (TE) of youth crop farmers in Njombe Region of Tanzania, and analyze the determinants of technical inefficiency for crops produced. Data were collected from 572 youths in 16 villages of Njombe Region by using a random sampling technique. The...

The meta-frontier model technique is employed to compare the technical efficiency levels of improved and local maize seed variety farms in Ghana using a cross-sectional data from 214 farmers. The study shows that inefficiencies in maize production relate to exogenous variables considered even...

The paper analyzes the outsourcing efficiency related to the operation of power plants, considering how power generation efficiency is affected by outsourced operators’ internal communication cost, primary energy source, and the differences in the type of generation, i.e., distributed or...