The Efficient Market Hypothesis (EMH) asserts that, at all times, the price of a security reflects all available information about its fundamental value. The implication of the EMH for investors is that, to the extent that speculative trading is costly, speculation must be a loser's game. Hence,...

We investigate the relationship between equity risk and operating risk as well as equity risk and financial risk by analysing different levels of leverage, reported debt and earnings volatility of German listed companies. The results suggest that the measurement of equity risk is based on the...

Der deutsche Aktienmarkt sah sich in den letzten 15 Jahren substantiellen Veränderungen gegenüber, welche unter anderem in eine zunehmende Internationalisierung und deutlich erhöhten Streubesitz mündeten. In der vorliegenden Arbeit untersuchen wir, inwieweit dies die aus klassischen...

Introducing equilibrium unemployment to the solution of the intertemporal allocation of non-leisure time, we derive two wage-setting models which we estimate by panel data and cross-section regressions applied on aggregative data. The results support the empirical relation known as the...

The English and Welsh water and sewerage industry is characterised by indivisible capital which has a long service life. Previous studies of efficiency for the English and Welsh water and sewerage industry take a static framework, assuming all inputs can be adjusted instantaneously. This paper...

Introducing equilibrium unemployment to the solution of the intertemporal allocation of non-leisure time, we derive two wage-setting models which we estimate by panel data and cross-section regressions applied on aggregative data. The results support the empirical relation known as the...

This study investigates the voluntary allocation of monetary resources to future food consumption by customers of campus cafeterias. A rich dataset allows us to infer social proximity of cafeteria customers and to measure social spillovers in allocation decisions. We show that individuals tend...