Over the last four decades, several methods for selecting the smoothing parameter, generally called the bandwidth, have been introduced in kernel regression. They differ quite a bit, and although there already exist more selection methods than for any other regression smoother we can still see...

Die Einkommen von Selbstständigen als Unternehmern und Freien Berufen unterliegen im Zeitverlauf besonderen Schwankungen. Das Ziel der vorliegenden Studie ist es, die individuelle Dynamik der Einkommen von Erwerbstätigen in Deutschland mit einem dynamischen Paneldatenschätzer zu untersuchen....

Summary This paper reviews various mobility measures and establishes their asymptotic sampling distribution. The focus is on both transition matrix mobility measures and mobility measures which are based on the reduction in inequality occurring when the accounting period is extended. Statistical...

Summary The changes in the financial structures of West German industrial enterprises have been investigated in Größl/Stahlecker/Wohlers (2001). The empirical analysis confirmed the hypothesis that small and medium-sized enterprises are confronted with higher - and even rising - financial...

Summary This paper investigates the borrowing behavior of 2,900 French and 1,300 German firms over the 1987-95 period. Both samples based on data sets of the Banque de France and the Deutsche Bundesbank not only include large but also small and medium-sized enterprises. Applying GMM techniques,...

Summary We analyse the investment behaviour of German firms within the framework of the Q-theory. Because we use anonymous individual firm balance sheet data, no stock market measure of Q is available. The data set contains 1,342 manufacturing firms covering the period 1987 to 1998. Using the...