Although economists have long been aware of Jensen's inequality, many econometric applications have neglected an important implication of it: estimating economic relationships in logarithms can lead to significant biases in the presence of heteroskedasticity. This paper explains why this problem...

This paper reports the results of 18 experimental asset markets with 262 subjects that explore the effects of liquidity and aggregation of information. The main focus lies on the comparison of different trading mechanisms of stock exchanges. Compared to most of financial markets experiments,...

26 Aktien des Deutschen Aktienindex DAX mit 71% Marktkapitalisierung und 84% Anteil am Gesamtumsatz werden über 249 Handelstage des Jahres 1997 auf den Kurseinfluss der Transaktionsgröße hin analysiert. Der verwendete Satz hochfrequenter Transaktionsdaten erlaubt in dieser Form erstmals für...

Technical trading strategies assume that past changes in prices help predict future changes. This makes sense if the past price trend reflects fundamental information that has not yet been fully incorporated in the current price. However, if the past price trend only reflects temporary pricing...

We analyze trading opportunities that arise from differences between the bond and the CDS market. By simultaneously entering a position in a CDS contract and the underlying bond, traders can build a default-risk free position that allows them to repeatedly earn the difference between the bond...