Elisa und Robert oder das Weib und der Mann, wie sie sein sollten : Anmerkungen zur Geschlechtercharakteristik der Goethezeit

Für den Zeitraum von 1770 bis 1790, in dem sich die moderne Literaturgesellschaft herausbildet, ist es typisch, daß überlieferte Denk- und Wertvorstellungen in Frage gestellt und neue Konzeptionen oft stürmisch und kontrovers entwickelt werden, die dann um und nach 1800 in umfassenden Systemsynthesen gebändigt werden. Dies trifft auch für die Festlegung männlicher und weiblicher Rollenbilder zu: mit Recht wurde gesagt, daß die bis weit in unser Jahrhundert hinein gültigen psychosozialen Geschlechtercharakteristika „[...] im letzten Drittel des 18. Jahrhunderts erfunden´“ wurden [1]. Zuvor waren einzelne Aspekte der Geschlechterbestimmung - sieht man von der Satire, der Komödie und ihren einschlägigen Thementopoi ab - innerhalb der moralischen Naturlehre, Verhaltenskasuistik und der Reformerziehung behandelt worden; an der Festlegung einer generell gültigen ‘Geschlechtercharakteristik’ bestand kein Interesse [2]. Ab ca. 1770 ändert sich das Bild. Die singulären, bisher auch mit Berufung auf Konvention und Tradition begründeten, stets streng standesbezogenen Pflichten von Mann und Frau werden von der jungen bürgerlichen Bildungselite innerhalb des neu expandierenden moralessayistischen Schrifttums generalisiert und in standesübergreifende und möglichst ‘natur’-begründete Werte umgewandelt, für die breite, wenn nicht universale Geltung beansprucht wird. Gegen Ende des Jahrhunderts markieren Bezeichnungen und Titel wie „Charakter des Geschlechts“, „Charakteristik dieses Geschlechts“ (I. Kant) [3]; „Charakteristik des weiblichen Geschlechts“ bzw. „Der Mann. Ein anthropologisches Charaktergemälde seines Geschlechts“ (C. Fr. Pockels) [4], „Der Charakter und die Bestimmung des Mannes” (Fr. Ehrenberg) [5] dieses neue Interesse an prinzipieller Festlegung der Geschlechterrollen

The impact of the EU ETS on the sectoral innovation system for power generation technologies: findings for Germany

This paper provides an overview of early changes in the sectoral innovation system for power generation technologies which have been triggered by the European Emission Trading Scheme (EU ETS). Based on a broad definition of the sector, our research analyses the impact of the EU ETS on the four building blocks knowledge and technologies, actors and networks, institutions and demand by combining two streams of literature, namely systems of innovation and environmental economics. Our analysis is based on 42 exploratory inter-views with German and European experts in the field of the EU ETS, the power sector and technological innovation. We find that the EU ETS mainly affects the rate and direction of the technological change of power generation technologies within the large-scale, coal-based power generation technological regime to which carbon capture technologies are added as a new technological trajectory. While this impact can be interpreted as defensive behaviour of incumbents, the observed changes should not be underestimated. We argue that the EU ETS' impact on corporate CO2 culture and routines may prepare the ground for the transition to a low carbon sectoral innovation system for power generation tech-nologies. --EU emission trading scheme (EU ETS),innovation system,power sector

Corporate Responses to Climate Change and Financial Performance: The Impact of Climate Policy

This paper examines the relationship between corporate activities to address climate change and stock performance. By separately analyzing the US and European stock markets for different sub-periods, we highlight the impact of the underlying climate policy regime. Methodologically, we compare risk-adjusted returns of stock portfolios comprising corporations that differ in their responses to climate change. In this respect, we apply the flexible Carhart fourfactor model besides the restricted one-factor model based on the Capital Asset Pricing Model (CAPM). While our portfolio analysis shows negative relationships over the entire observation period from 2001 to 2006, we find that a trading strategy, which bought stocks of corporations with a higher level of responses to climate change and sold stocks of corporations with a lower level, led to negative abnormal returns in regions and periods with less ambitious climate policy, but to positive abnormal returns in regions and periods with stringent climate policy.Climate change, Climate policy, Corporate environmental performance, Financial performance, Portfolio analysis, Asset pricing models

Beratung landwirtschaftlicher Betriebe: Bund und L�nder weiterhin in der Pflicht

Teaching/Communication/Extension/Profession,

Stochasticity & Predictability in Terrestrial Planet Formation

Terrestrial planets are thought to be the result of a vast number of gravitational interactions and collisions between smaller bodies. We use numerical simulations to show that practically identical initial conditions result in a wide array of final planetary configurations. This is a result of the chaotic evolution of trajectories which are highly sensitive to minuscule displacements. We determine that differences between systems evolved from virtually identical initial conditions can be larger than the differences between systems evolved from very different initial conditions. This implies that individual simulations lack predictive power. For example, there is not a reproducible mapping between the initial and final surface density profiles. However, some key global properties can still be extracted if the statistical spread across many simulations is considered. Based on these spreads, we explore the collisional growth and orbital properties of terrestrial planets which assemble from different initial conditions (we vary the initial planetesimal distribution, planetesimal masses, and giant planet orbits). Confirming past work, we find that the resulting planetary systems are sculpted by sweeping secular resonances. Configurations with giant planets on eccentric orbits produce fewer and more massive terrestrial planets on tighter orbits than those with giants on circular orbits. This is further enhanced if the initial mass distribution is biased to the inner regions. In all cases, the outer edge of the system is set by the final location of the $\nu_6$ resonance and we find that the mass distribution peaks at the $\nu_5$ resonance. Using existing observations, we find that extrasolar systems follow similar trends. Although differences between our numerical modelling and exoplanetary systems remain, we suggest that CoRoT-7, HD 20003, and HD 20781 may host undetected giant planets.Comment: replaced to match published version, 20 pages, 11 figures, published in MNRAS, simulation outputs available at https://cheleb.net/astro/sp15

The innovation impact of EU emission trading: findings of company case studies in the German power sector

This paper provides a comprehensive analysis of how the European Emission Trading System (EU ETS) as the core climate policy instrument of the European Union has impacted innovation. Towards this end, we investigate the impact of the EU ETS on research, development, and demonstration (RD&D), adoption, and organizational change. In doing so, we pay particular attention to the rela-tive influences of context factors (policy mix, market factors, public acceptance) as well as firm characteristics (value chain position, technology portfolio, size, vision). Empirically, our analysis is based on multiple case studies with 19 power generators, technology providers, and project developers in the German power sector which we conducted from June 2008 until June 2009. We find that the innovation impact of the EU ETS has remained limited so far because of the scheme’s initial lack in stringency and predictability and the relatively greater importance of context factors. Additionally, the impact varies tremendously across technologies, firms, and innovation dimensions, and is most pronounced for RD&D on carbon capture technologies and corporate procedural change. Our analysis suggests that the EU ETS by itself may not provide sufficient incentives for fundamental changes in corporate climate innovation activities at a level adequate for reaching political long-term targets. Based on the study’s findings, we derive a set of policy and research recommendations. --EU ETS,emission trading,innovation,technological change,adoption,diffusion,organizational change,power sector

Corporate response strategies to regulatory uncertainty: evidence from uncertainty about post-Kyoto regulation

A better understanding of firms' response strategies to regulatory uncertainty enables policymakers to improve policymaking efficiency and to enhance the effectiveness of regulation. Based on a literature review, we categorize responses according to their objective toward regulatory uncertainty into four strategies: avoidance, reduction, adaptation, and disregard strategies. Unique data from a worldwide cross-industry survey show that firms predominantly pursue reduction, and to a lesser extent adaptation and disregard strategies, in response to post-Kyoto regulatory uncertainty. Surprisingly, firms in fact only sporadically pursue avoidance strategies, in contradiction to their own public announcements commonly made during policymaking to realize such strategies. The degree of regulatory uncertainty perceived and its interpretation as a threat increase the pursuit of most of these strategies. In addition, firms' response strategies to post-Kyoto regulatory uncertainty differ across industries and partly across region

Ecology-Driven Real Options: An Investment Framework for Incorporating Uncertainties in the Context of the Natural Environment

The role of uncertainty within an organization's environment features prominently in the business ethics and management literature, but how corporate investment decisions should proceed in the face of uncertainties relating to the natural environment is less discussed. From the perspective of ecological economics, the salience of ecology-induced issues challenges management to address new types of uncertainties. These pertain to constraints within the natural environment as well as to institutional action aimed at conserving the natural environment. We derive six areas of ecology-induced uncertainties and propose ecology-driven real options as a conceptual approach for systematically incorporating these uncertainties into strategic management. We combine our results in an integrative investment framework and illustrate its application with the case of carbon constraint

Crystal Structure of Thermotoga maritima α-Glucosidase AglA Defines a New Clan of NAD+-dependent Glycosidases

Glycoside hydrolase family 4 represents an unusual group of glucosidases with a requirement for NAD(+), divalent metal cations, and reducing conditions. The family is also unique in its inclusion of both alpha- and beta-specific enzymes. The alpha-glucosidase A, AglA, from Thermotoga maritima is a typical glycoside hydrolase family 4 enzyme, requiring NAD(+) and Mn2+ as well as strongly reducing conditions for activity. Here we present the crystal structure of the protein complexed with NAD(+) and maltose, refined at a resolution of 1.9 Angstrom. The NAD(+) is bound to a typical Rossman fold NAD(+)-binding site, and the nicotinamide moiety is localized close to the maltose substrate. Within the active site the conserved Cys-174 and surrounding histidines are positioned to play a role in the hydrolysis reaction. The electron density maps indicate that Cys-174 is oxidized to a sulfinic acid. Most likely, the strongly reducing conditions are necessary to reduce the oxidized cysteine side chain. Notably, the canonical set of catalytic acidic residues common to other glucosidases is not present in the active site. This, combined with a high structural homology to NAD-dependent dehydrogenases, suggests an unusual and possibly unique mechanism of action for a glycoside-hydrolyzing enzyme

Kohlenstoff und Klimawandel - neue Herausforderungen für das Risikomanagement von Unternehmen

Zusammenfassung: Die Verfügbarkeit fossiler Ressourcen und der Klimawandel verändern die Rahmenbedingungen des Wirtschaftens. Dieser Beitrag skizziert sich daraus ergebende "Carbon Constraints" für Unternehmen und erläutert Ansatzpunkte für betriebliche Strategien zum Risikomanagemen