In the literature technical change is mostly assumed to be exogenous and specified as a function of time. However, some exogenous external factors other than time can also affect technical change. In this paper we model technical change via time trend (purely external non-economic) as well as...

Starting from the recent UNICEF publications on child poverty in the developed countries, which received a wide audience in the political and scientific world, in this paper we further analyze the UNICEF study data base and present three composite indices that are multidimensional and...