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Why are some independent inventors ‘heroes’ and others ‘hobbyists’?: the moderating role of technological diversity and specialization

Despite a substantial body of research investigating the market significance of inventions by independent inventors, relatively little attention has been devoted to understanding their technological significance. A recent study conducted by [Dahlin, K., Taylor, M., Fichman, M., 2004. Today's Edisons or weekend hobbyists: technical impact and success of inventions by independent...

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English / 01/03/2009

Handlungsbedarf in der Rechnungslegung

Eine empirische Analyse zeigt, wo die heutigen Standards der Rechnungslegung den Aktionären relevante Informationen bieten und wo sie an ihre Grenzen stossen.

Die aktuelle Krise an den Finanzmärkten rückt auch die Berichterstattung wieder in den Vordergrund. Seit dem 1. Januar 2007 müssen Publikumsgesellschaften ihre Risiken im Anhang der Jahresrechnung offenlegen. Der...

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Deutsch / 01/03/2009

Schweizer HR-Barometer 2009 : Mobilität und Arbeitgeberattraktivität

Im Schweizer HR-Barometer 2009 werden neben allgemeinen Trends die Themen Mobilität und Arbeitgeberattraktivität eingehend untersucht. Erfasst werden das tatsächliche Mobilitätsverhalten und die potenzielle Bereitschaft der Arbeitnehmenden, sich in der Arbeitswelt «mobil» zu verhalten. Weiter wird untersucht,welche Faktoren dazu führen, dass Unternehmen für Arbeitnehmende attraktiv...

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Deutsch / 01/03/2009

On reputation: a microfoundation of contract enforcement and price rigidity

We study the impact of reputational incentives in markets characterized by moral hazard problems. Social preferences have been shown to enhance contract enforcement in these markets, while at the same time generating considerable wage and price rigidity. Reputation powerfully amplifies the positive effects of social preferences on contract enforcement by increasing contract...

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English / 01/03/2009

Understanding the intentions behind man-made products elicits neural activity in areas dedicated to mental state attribution

Trying to understand others is the most pervasive aspect of successful social interaction. To date there is no evidence on whether human products, which signal the workings of a mind in the absence of an explicit agent, also reliably engage neural structures typically associated with mental state attribution. By means of functional magnetic resonance imaging the present study shows...

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English / 01/03/2009

The mismatch negativity: a review of underlying mechanisms

The mismatch negativity (MMN) is a brain response to violations of a rule, established by a sequence of sensory stimuli (typically in the auditory domain) [Näätänen R. Attention and brain function. Hillsdale, NJ: Lawrence Erlbaum; 1992]. The MMN reflects the brain’s ability to perform automatic comparisons between consecutive stimuli and provides an electrophysiological index of...

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English / 01/03/2009

The life satisfaction approach to valuing public goods: The case of terrorism

Terrorism has large social costs that are difficult to quantify for the well-known problems of eliciting people’s preferences for public goods. We use the LSA to assess these costs in utility and monetary terms. Based on combined cross-section time-series data, we estimate the costs of terrorism for France and the British Isles. We find large negative effects of terrorism on life...

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English / 01/03/2009

Struggles for meaning and struggles for control: The diffusion of bandwagon technology in two institutional environments

In this thesis, I examine the diffusion process for a complex medical technology, the PET scanner, in two different health care systems, one of which is more marketoriented (Switzerland) and the other more centrally managed by a public agency (Quebec). The research draws on institutional and socio-political theories of the diffusion of innovations to examine how institutional...

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English / 01/03/2009

Momentum in stock market returns, risk premia on foreign currencies and international financial integration

Momentum in developed countries' stock market index returns can be exploited to form portfolios of excess returns on foreign currencies as relatively high past foreign stock market returns signal a foreign currency appreciation. Two risk factors extracted from the stock index momentum based currency portfolio returns explain more than 80 percent of their cross-sectional...

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English / 01/03/2009

Eigenvectors of some large sample covariance matrices ensembles

We consider sample covariance matrices constructed from real or complex i.i.d. variates with finite 12th moment. We assume that the population covariance matrix is positive definite and its spectral measure almost surely converges to some limiting probability distribution as the number of variables and the number of observations go to infinity together, with their ratio converging to...

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English / 01/03/2009

Patents versus Subsidies - A Laboratory Experiment

This paper studies the effects of patents and subsidies on R&D investment decisions. The theoretical framework is a two-stage game consisting of an investment and a market stage. In equilibrium, both patents and subsidies induce the same amount of R&D investment, which is higher than the investment without governmental incentives. In the first stage, the firms can invest in a...

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English / 01/03/2009

Versionierung und Preisbündelung bei digitalen Produkten: Welche Formen der Differenzierung erhöhen die Nachfrage und den Umsatz?

Das elektronische Angebot kostenpflichtiger digitaler Produkte gewinnt für viele Unternehmen an Bedeutung. Infolge der Digitalisierung verfügen solche Produkte allerdings über spezielle ökonomische Eigenschaften, welche die Durchsetzung eines kostenpflichtigen Angebotes wiederum erschweren. Um die so bedingten Schwierigkeiten im Angebot digitaler Produkte zu reduzieren,...

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Deutsch / 01/03/2009

Gas und Bremsweg - Balance zwischen Marketing und Kosten

Vorabdruck aus dem Buch 'Marketing gegen den Strom' (wird im Mai 2009 erscheinen)

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Deutsch / 01/03/2009

Measuring conditional cooperation: a replication study in Russia

We replicate the strategy-method experiment by Fischbacher et al. (Econ. Lett. 71:397-404, 2001) developed to measure attitudes towards cooperation in a one-shot public goods game. We collected data from 160 students at four different universities across urban and rural Russia. Using the classification proposed by Fischbacher et al. (2001) we find that the distribution of types is...

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English / 01/03/2009

Social capital vs institutions in the growth process

Is social capital a substitute or a complement to formal institutions for achieving economic growth? A number of recent micro studies suggest that interpersonal trust has its greatest impact on economic performance when court institutions are relatively weak. The conventional wisdom from most macro studies, however, is that social capital is unconditionally good for growth. On the...

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English / 01/03/2009

Complex versus Complicated: The How of Coping with Complexity

This article aims to demonstrate and explain how distinct approaches to coping with complexity vary in their effectiveness. The different strategies are evaluated as to their respective capabilities of absorbing complexity. Virtuous versus vicious ap-proaches are distinguished.

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English / 01/03/2009

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