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Analyzing Active Investment Strategies

The article examines strategies for making financial investments by using a decomposition of the non-central tracking error variance to indicate how actively assets are managed. This method examines how much risk the asset manager takes in investments by analyzing positive and negative returns. Two mathematical models are presented to analyze the active management of investments. The...

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English / 21/10/2006

Optimal insurance contracts without the non-negativity constraint on indemnities: revisited

In the literature on optimal indemnity schedules, indemnities are usually restricted to be non-negative. Keeler [1974] and Gollier [1987] show that this constraint might well bind: insured could get higher expected utility if insurance contracts would allow payments from the insured to the insurer at some losses. This paper extends Collier’s findings by allowing for negative...

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English / 19/10/2006

Changing Gender: The Discursive Construction of Equal Opportunities

This article provides a discursive perspective on the dilemmas of sameness and difference feminisms and their consequences for change projects. It explores how equal opportunity officers dealing with gender issues and introducing equality legislation in practice construct the meaning of equal opportunities. The analysis of the interpretative repertoires and ideological dilemmas drawn...

English / 10/10/2006

Fallstudien in der Aus- und Weiterbildung

Sätze wie «lebenslanges Lernen als Voraussetzung für nachhaltigen Erfolg» prägen die Wortwahl der Aus- und Weiterbildungsveranstalter, womit diese nicht ganz Unrecht haben. Wer in seiner Karriere weiterkommen möchte, muss sich immer neuen Herausforderungen stellen. Um diese meistern zu können,
muss man über das dazugehörige Wissen verfügen und sich dieses im Vorfeld...

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Deutsch / 08/10/2006

Income distribution and demand-induced innovation

We introduce non-homothetic preferences into an innovation-based growth model and study how income and wealth inequality affect economic growth. We identify a (positive) price effect -- where increasing inequality allows innovators to charge higher prices and (negative) market-size effects -- with higher inequality implying smaller markets for new goods and/or a slower transition of...

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English / 01/10/2006

Evaluations: Hidden Costs, Questionable Benefits, and Superior Alternatives

Research evaluation is praised as the symbol of modern quality management. We claim firstly, performance evaluations in research have higher costs than normally assumed, because the evaluated persons and institutions systematically change their behavior andndevelop counter strategies. Moreover, intrinsic work motivation is crowded out and undesired lock-in effects take place....

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English / 01/10/2006

The Evolution of Organizational Cybernetics

The purpose of this contribution is to give an overview of the origins and further developments of Organizational Cybernetics, its transdisciplinary nature and its links to different areas of science, i.e., both natural sciences and the humanities.

[http://www.jams.or.jp/scm/contents/e-2006-8/2006-78.pdf]...

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English / 28/09/2006

Bias Reducing Estimation of Treatment Effects in the Presence of Partially Mismeasured Data

Labor market policy evaluation studies often rely on a merged database from different administrative entities, where part of the information might be archived with varying quality in different sources. Suppose that one observes inter alia a variable of dubious quality for the entire population and the same variable for a subgroup, say the treated, with good quality from an extra...

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English / 24/09/2006

Mehr Transparenz in der Preisgestaltung ist wünschenswert

Der Markt der strukturierten Produkte für Privatanleger hat eine eindrückliche Ent-wicklung hinter sich und zeichnet sich heute durch eine grosse Vielfalt an Angeboten aus. Während sich die Produkte bezüglich ihrer Auszahlungsstruktur meist anhand der Term Sheets gut nachvollziehen lassen, sind sie bezüglich ihrer Kosten für die Anleger oft intransparent. Hier sind die Emittenten...

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Deutsch / 19/09/2006

Financial performance of privately held family firms

The present text examines how the organizational input variable "family" and the financial output variable "return" are interrelated. This question is crucial since there are serious doubts brought forward by Schulze et al. (2003) whether family firms really exhibit the ideal precondition of low agency costs as hypothesized by Fama and Jensen (1983a and 1983b)....

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English / 18/09/2006

The Effect of Market Regimes on Style Allocation

We analyse time-varying risk premia and the implications for portfolio choice. Using Markov Chain Monte Carlo (MCMC) methods, we estimate a multivariate regime-switching model for the Carhart (1997) four factor model. We find two clearly separable Regimes with different mean returns, volatilities and correlations. In the High-Variance Regime, only value stocks deliver a good...

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English / 16/09/2006

Früherkennung von Emerging Risks in der Versicherungswirtschaft

Unternehmen stehen in enger Wechselbeziehung mit ihrer Umwelt. Überraschende Ereignisse oder nicht antizipierte Trends aus der Umwelt wirken sich schnell negativ auf den Geschäftserfolg aus. Für Versicherungen sind die neuen Risiken, die sich aus veränderten Rahmenbedingungen in der Umwelt ableiten, von besonderer Brisanz, eine Reihe von Herausforderungen für Versicherer führen zu...

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Deutsch / 13/09/2006

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