This paper analyzes how agency problems in nancial contracting determine risk-taking andinvestment. In perfect capital markets a risk-neutral rm would invest until the expectedmarginal return equals the interest rate. However, as rms with little net-worth face agencycost in nancial contracting...

In monetary economics it is argued that due to agency cost in financial contracting a reduction of a firm's net worth will transmit into a decline of investment. This paper shows that the microeconomic foundation of this 'balance-sheet-channel' is dubious. Contrary to a common claim agency...

This paper investigates whether the inherent non-stationarity of macroeconomic time series is entirely due to a random walk or also to non-linear components. Applying the numerical tools of the analysis of dynamical systems to long time series for the US, we reject the hypothesis that these...