We consider hedonic games with separable preferences, and explore the existence of stable coalition structures if only individual deviations are allowed.For two natural subdomains of separable preferences, namely preference domains based on (1) aversion to enemies and (2) appreciation of...

Despite much in-depth investigation of factors influencing this evolution in various scientific fields, our knowledge about how efficiency or creativity is linked to the longevity of collaborative relationships remains very limited. We explore what Nobel laureates’ coauthorship patterns reveal...

Der Dienst eines Berufsfeuerwehrmanns erstreckt sich bei vielen deutschen Feuerwehren ueber 24 Stunden. Ein normaler Arbeitsalltag bedeutet fuer einen Feuerwehrmann, dass er im Rahmen staendiger Einsatzbereitschaft extremer koerperlicher und geistiger Hoechstleistung ausgesetzt ist,...

A hot topic among Islamic economists is the debt versus equity debate. Which of the two are more in line with justice and equality? Which of them is more productive in fulfilling the greater objectives of the Shariah? This paper is divided into sections. After the introduction, it is followed by...

According to the well-established tournament literature, incomplete information regarding employees’ productivity is essential for the rationalization of (efficiency-enhancing) tournaments. In this Paper we propose an alternative rationalization of tournaments focusing on a fully informed...

We analyze the Mexican market for pension retirement funds from a supply perspective. We focus on the effect different output definitions have on the cost structure of the firms in the market. We propose new definitions for the output produced by firms in this market. We use as outputs 1) the...

One of the main concerns in the European Union (EU) is to improving educational achievements and the efficiency of the educational systems. In this work we analyse the educational efficiency in 18 European countries through a methodology that employs the pupil as decision making unit using PISA...

This study estimates a cost function for higher education in Australian universities using pooled series of cross-sectional data. The study enabled the quantification of the cost differences between levels of studies and subject areas. The resulting cost function is used to derive estimates of...