Purpose - Transaction cost becomes significant when one holds many securities in a large portfolio where capital allocations are frequently rebalanced due to variations in non-stationary statistical characteristics of the asset returns. The purpose of this paper is to employ a sparsing method to...

Is aggregate income enough to summarize the well-being of a society? We address this longstanding question by exploiting a novel approach to study the relationship between gross domestic product (GDP) and a set of economic, social and environmental indicators for nine developed economies. By...

This study examines determinant factors for the expansion of informal settlements in Gondar, a historical city in Ethiopia. In order to address this study objective, quantitative data were employed from 196 randomly selected households in four sites. The study indicated that a single factor is...