Preisgarantien im Einzelhandel scheinen auf den ersten Blick Ergebnis eines intensiven Wettbewerbs zu sein. Theoretische Analysen und empirische Studien zeigen jedoch, dass dies in der Regel nicht der Fall ist. Preisgarantien und hier vor allem Garantien, bei denen mehr als die Differenz zu...

We investigate the impact of agent communication networks on prices in an artificial stock market. Networks with different centralization measures are tested for their effect on the volatility of prices. Trading strategies diffuse through the different network topologies, mimetic contagion...

This paper employs an asymmetric component generalized autoregressive conditional heteroskedasticity (AC-GARCH) model to test the relation between securities transaction tax (STT) and market volatility. Proponents of an STT argue that such a tax will reduce market volatility by discouraging the...

We reconsider the potential for explaining inter-industry wage differences by decomposing those differences into parts due to individual and employer heterogeneity, respectively. Using longitudinally linked employer-employee data, we estimate the model for the United States and France. The part...

This paper provides an in-depth study on the history and evolution of Commercial Bank characteristic factors and other Macroeconomic variables on the financial industry performance indices in Nigeria from 1977 to 2010. The work employed a 3-stage procedure in the assessment of Commercial Bank...

We report the result of experiments designed to assess the effect of initial endowments on willingness to pay values elicited from multi-unit Vickrey auctions. Comparing bids from an “endow and upgrade” approach with the “full bidding” approach, we find that the direction of the...

We study cartel stability in a differentiated price-setting duopoly with returns to scale. We show that a cartel may be equally stable in the presence of lower differentiation, provided that the decreasing returns parameter is high. In addition we demonstrate that for a given factor of discount,...

Einkaufen in Internet, die Nutzung von sozialen Netzen oder Online- Banking gehören zum Alltag der Verbraucher in Deutschland. Das Thema Privatsphäre und Datenmissbrauch ist deshalb nahezu täglich in den Medien. Da ist es erstaunlich, dass fundiertes wissenschaftliches Wissen, wie Verbraucher...