efficiency of delivering data services (data usage by subscribers) of 94 mobile operators from 28 countries through the method of … efficiency likely due to country level initiatives. Furthermore, majorly economic disparities between countries highly affect the … differences in efficiency scores at the country level. The case study between Finland and India shows the causes for differences …

regression is fitted to identify which elements suggested in the literature are the most influential on the technical efficiency … levels of expenditure and basic health achievements; (b) that spatial patterns of efficiency are correlated to economic … performance, but also to locally specific relevant differences; (c) and that positive determinants of efficiency are given by …