Hamburg erließ Durchfahrverbote für bestimmte Dieselfahrzeuge in stark belasteten Straßenabschnitten mit dem Ziel, die Schadstoffemissionen zu reduzieren. Der Erfolgsnachweis ist schwierig. Relativ kleine Änderungen bezüglich der analysierten Zeiträume, Kontrollgruppen und...

Wir berechnen einen neuartigen internationalen Maßstab für pharmazeutische Innovationskraft, indem wir uns auf die weltweiten medizinischen Durchbrüche und die dort zitierten Patente konzentrieren. Diese Berechnungsweise ist (über den Bereich der Lebenswissenschaften hinaus) bedeutsam, weil...

We investigate the relationship between consumer discrimination, racial matching strategies, and employer discrimination in Major League Baseball (MLB) from 1985 to 2016. To this end, we assess the extent to which both fan attendance and team performance respond to changes in teams' and their...

We provide evidence for heterogeneous consumer preferences for product quality and game outcome uncertainty (GOU) in Major League Baseball. Using attendance data from 2013 to 2019, we explore functional data clustering techniques to detect common patterns in predictive margins of team-specific...

The Third Lomé Trade and Co-operation Convention between the European Community and the African, Caribbean and Pacific (ACP) countries was signed on 8th December 1984. It is valid for the period from 1.3. 1985 to 28.2. 1990 and incorporates an extension of SYSMIN, the special financing facility...

In the course of the last United Nations' World Trade Conference (UNCTAD) the Soviet Union, Ivory Coast and Bulgaria signed the agreement on the Common Fund for Commodities. The Fund, which was conceived as the cornerstone of a new international commodities policy, will thus come into effect in...

The Delors Committee’s three stage plan for attaining European Economic and Monetary Union has met with heavy criticism and has given rise to various counter-proposals. The following article examines the relative merits and shortcomings of the Delors Plan and the alternative concepts presented...

To assess the likely effects of population ageing on the outcomes of direct democracy, we analyze the effect of age on voting decisions in public referenda. To this end, we provide the first quantitative review of the literature and a case study of the Stuttgart 21 referendum on one of the...

Recent analyses relate increases in the growth rate of countries to anticipation effects caused by bidding for the Olympic Games, so called news shocks. We argue that these findings should be interpreted cautiously. First, these analyses may suffer from an omitted variable bias because they...