infonet-economy

Ausgehend von Bilanzgrössen werden in unserem Beitrag zunächst repräsentative Anlageklassen abgeleitet, die einen Einblick in die Kapitalanlagepolitik der deutschen Lebensversicherer geben. Auf dieser Grundlage werden dann repräsentative Indizes ausgewählt, mit denen eine Performancemessung der Kapitalanlagen durchgeführt wird. Dies erlaubt schliesslich einen Vergleich der...

Granger and Sims non-causality (GSNC) are compared to non-causality based on concepts popular in the microeconometrics and programme evaluation literature (potential outcome non-causality, PONC). GSNC is defined as a set of restrictions on joint distributions of random variables with observable sample counterparts, whereas PONC combines restrictions on partially unobservable...

This paper examines the causes and effects of mobile number portability (MNP) and provides a survey of its implementation in Europe. It first examines the competitive effects and costs of introducing MNP. Next, it discusses how to charge for MNP. It argues that a price cap regime starting from the average cost of porting is likely to provide appropriate incentives. Finally, it...

Unternehmensgründungen sind wichtig für den Strukturwandel und die Schaffung neuer Arbeitsplätze. Auch wenn die direkten Beschäftigungseffekte von Unternehmensgründungen begrenzt sind, zeigen verschiedene Untersuchungen, dass Regionen mit einer hohen Gründungsrate langfristig stärker wachsen. Unternehmensgründungen stärken nämlich den Wettbewerb und bringen Innovationen hervor, die...

“Evaluitis” - i.e. ex post assessments of organizations and persons - has become a rapidly spreading disease. In addition to the well-known costs imposed on evaluees and evaluators, additional significant costs are commonly disregarded: incentives are distorted, ossification is induced and the decision approach is wrongly conceived. As a result, evaluations are used too often and too...

In the television show Affari Tuoi an individual faces a sequence of binary choicesnbetween a risky lottery with equiprobable prizes of up to half a million euros and anmonetary amount for certain. The decisions of 114 show participants are used to test the predictions of ten decision theories: risk neutrality, expected utility theory, fanning-out hypothesis (weighted utility theory...

Engelmann and Strobel (AER 2004) question the relevance of inequity aversionnin simple dictator game experiments claiming that a combination of a preference fornefficiency and a Rawlsian motive for helping the least well-off is more important thanninequity aversion. We show that these results are partly based on a strong subject poolneffect. The participants of the E&S...