Die übliche Schätzfunktion zur Bestimmung der relativen Lohndifferenz mittels Dummyvariable in einer log-linearen Regressionsfunktion ist inkonsistent, falls gruppenspezifische Heteroskedastie vorliegt. Die Richtung und Größenordnung der Verzerrung wird abgeleitet. Ein Fallbeispiel zur...

The objectives of this paper are (i) to assess the actual economic implications of the new European banana policy on prices, consumption and trade in Germany within a theoretical and quantitative analysis; (ii) to elaborate the welfare implications of the European banana market policy on the...

The usual estimation methods provide only a blurred picture of the cyclical development for the current values of a time series, the section that is of most interest for short-term economic analysis. As an alternative, an approach to identify first signs of a development toward a cyclical...

In this paper I analyze which firms receive R&D project grants and how this public support evolves over time by considering in particular firm’s previous participation. The extent of the dynamics of firms’ participation within the funding scheme gives information about the openness of the...

In pursuing their plans economic agents regularly have to adjust their pacing of orders, production, and deliveries in unanticipated ways. Information constraints turn many of these adjustments into myopic reactions to accelerations/decelerations observed in the activity level of suppliers...

With Laspeyres, Paasche and other authors such as Drobisch and Lehr, Germany made quite a promising start in index theory in the last decades of the 19th century. However, it soon lost ground after this period, which is described in this paper. The focus is not on biographies but on...

A method is proposed to measure capital services in production. This means that productive assets are weighted according to their user costs. The user costs of the individual asset classes are estimated based on data from the national accounts and other sources. The results show that, in the...

The System of National Accounts (SNA) as well as the Boskin Report inconclusively discarded the idea of pure price comparison in favour of index formulas for which a meaningful interpretation is difficult to he found. The shortcomings of the "economic theory" approach followed in the Boskin...

Economic researchers often consider quotients like R&D investment divided by sales which could be used to measure “research intensity” of firms if available. However, data on research in particular are highly confidential and would not be released in original form. Therefore scientific use...

This paper focuses on the question whether West German firms have experienced an increase in their financial risk position with due implications for the macroeconomy. The investigation is based on a special evaluation of the balance sheet statistics by the Deutsche Bundesbank broken down into...