Die empirische Forschung führt in der Wirtschaftsinformatik ein Nischendasein.Der vorliegende Beitrag entwickelt unter partieller Bezugnahme auf WossidlosThesen und Einwendungen zur empirischen Theorie der Unternehmung einenweitergehenden, zusammenhängenden Erklärungsansatz und versucht...

This paper investigates theoretically and empirically the dynamics of the implied volatility (or implied standard deviation - ISD) around earnings announcements dates.

This paper gives an overview of the theories underlying the major portfolio performance measurement models, with an empirical application to assess the market timing and stock-picking abilities of an exhaustive sample of 60 Swiss-equity investment funds over the 1977-1999 period.

This paper studies the impact of EMU on portfolio diversification opportunities.

This paper suggests that managers should continue to monitor carefully country as well as style rewards and risks.

The question that this paper raise in this paper is how to choose the best mix of countries to diversify internationally? They compare several methods of asset allocation from a Swiss perspective over the period 1988-2001.

The authors develop a simple binomial model of liquidity and credit risk in which a bondholder has the option to time the sale of his security, given a distribution of potential buyers, bids and liquidity shocks.

This paper shows that preferences alone cannot explain the patterns reported in the literature.

The seminal study by Fama and MacBeth (1973) initiated a stream of papers testing for the cross-sectional relation between return and risk. The debate wether beta is a valid measure of risk has been renimated by Fama and French (1992) and subsequent studies.(...)

Partial-least squares regression (PLS) is a statistical tool specifically designed to cope with problems like small datasets, missing values and the presence of multicollinearity . The paper proceeds first with a concise review of the PLS method.