The study examines the effect of ownership structure on firm performance. We distinguish between family firms, firms controlled by partnerships of individuals, concern controlled firms, and firms where blockholders have less than 50% of the vote. The empirical work analyzes data on 280 Israeli...

The environmental performance of regions and largest economies of the world – actually, the efficiency of their energy sectors – is estimated for the period 2010–2030 by using forecasted values of main economic indicators. Two essentially different methodologies, data envelopment analysis...

This paper introduces a novel approach to estimating the impact of the major factors driving CO2 emissions: GDP, energy consumption, population, their carbon intensities, and other related indicators that may be chosen arbitrarily. The suggested approach is based on the generalization of the...

The paper discusses the worthiness of the resources allocated for college education from the point of view of their value in the labor market. We use Data Envelopment Analysis (DEA) to weigh the share of GDP spent on a college education and weighted time of labor force college study against...

Foran objective function, how should each argument be assigned itsappropriate role in the change of the objective function, whenthe arguments are interrelated? In this paper, it is shown thatthe commonly used approaches may lead to results contradictoryto straightforward economic reasoning, and...