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The hadronic final state of central Pb+Pb collisions at 20, 30, 40, 80, and 158 AGeV has been measured by the CERN NA49 collaboration. The mean transverse mass of pions and kaons at midrapidity stays nearly constant in this energy range, whereas at lower energies, at the AGS, a steep increase with beam energy was measured. Compared to p+p collisions as well as to model calculations, anomalies in the energy dependence of pion and kaon production at lower SPS energies are observed. These findings can be explained, assuming that the energy density reached in central A+A collisions at lower SPS energies is sufficient to force the hot and dense nuclear matter into a deconfined phase.
Shareholder voting is back on the agenda of public debate for several reasons. One is the investors’ internationalization of capital investments and the raising of funds globally by companies. It can be predicted that considering the growing together of capital markets the trend to international investments will increase not least because the introduction of the Euro will create a uniform European stock market. This leads to the question how the law deals with this development and its problems. The EU Commission has commissioned a comparative study dealing, inter alia, with shareholders’ representation at general meetings in the EU member states.1 The aim is to simplify the operating regulations for public limited companies in the EU. Furthermore, the internationalization of shareholdings leads the investors to ask how their interests are protected abroad. Are the mechanisms of shareholder protection sufficient for foreign investors? In particular the formation of transnational companies like Daimler-Chrysler will change corporate governance systems. It remains to be seen whether and how foreign institutional investors will use measures of - in this case - German corporate law to control the management. From a microeconomic point of view the question is what specific features of a given corporate governance system might contribute to better performance of firms. The following remarks will however, be confined to one specific aspect of corporate governance only, the exercise of shareholders’ voting rights at the general meeting.