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Improving weighted least squares inference

These days, it is common practice to base inference about the coefficients in a hetoskedastic linear model on the ordinary least squares estimator in conjunction with using heteroskedasticity consistent standard errors. Even when the true form of heteroskedasticity is unknown, heteroskedasticity consistent standard errors can also used to base valid inference on a weighted least…

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English / 01/11/2017

The regulation of public service broadcasters: should there be more advertising on television?

Increased competition for viewers’ time is threatening the viability of public-service broadcasters (PSBs) around the world. Changing regulations regarding advertising minutes might increase revenues, but little is known about the structure of advertising demand. To address this problem, we collect a unique dataset on monthly impacts (quantities) and prices of UK television channels…

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English / 01/11/2017

Die Verteilung von Einkommen und Vermögen in der Schweiz

Das Interesse an der Verteilung von Einkommen und Vermögen ist in jüngster Zeit wieder neu entbrannt. Nicht zuletzt, weil nach vielen Jahren der Stabilität die Ungleichheit in vielen Ländern wieder zunimmt. Auch in der Schweiz geniesst die Frage nach der Einkommens- und Vermögensverteilung in der öffentlichen und politischen Diskussion grosse Aufmerksamkeit. Die Analyse über die…

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Deutsch / 01/11/2017

The impact of peer personality on academic achievement

This paper provides evidence of a novel facet of peer effects by showing how peer personality affects educational achievement. We exploit random assignment of students to university sections and find that students perform better in the presence of more persistent peers and more risk-averse peers. In particular, low-persistence students benefit from highly-persistent peers without…

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English / 01/11/2017

The effect of peer gender on major choice

This paper investigates how the peer gender composition in university affects students' major choices and labor market outcomes. Women who are randomly assigned to more female peers become less likely to choose male-dominated majors, they end up in jobs where they work fewer hours and their wage grows at a slower rate. Men become more likely to choose male-dominated majors after…

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English / 01/11/2017

Do gender preference gaps impact policy outcomes?

Many studies document systematic gender differences in a variety of important economic preferences, such as risk-taking, competition and pro-sociality. One potential implication of this literature is that increased female representation in decision-making bodies may significantly alter organizational and policy outcomes. However, research has yet to establish a direct connection from…

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English / 01/11/2017

On the scope of externalities in experimental markets

We study how the scope of negative externalities from market activity affects the willingness of market actors to exhibit social responsibility. Using the laboratory experimental paradigm introduced by Bartling et al. (Q J Econ 130(1):219–266, 2015), we compare the voluntary internalization of negative social impacts by market actors in cases where the negative externality is…

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English / 01/11/2017

Food-predicting stimuli differentially influence eye movements and goal-directed behavior in normal-weight, overweight, and obese Individuals

Obese individuals have been shown to exhibit abnormal sensitivity to rewards and reward-predicting cues as for example food-associated cues frequently used in advertisements. It has also been shown that food-associated cues can increase goal-directed behavior but it is currently unknown, whether this effect differs between normal-weight, overweight, and obese individuals. Here, we…

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English / 01/11/2017

Brain stimulation over the frontopolar cortex enhances motivation to exert effort for reward

Background: Loss of motivation is a characteristic feature of several psychiatric and neurological disorders. However, the neural mechanisms underlying human motivation are far from being understood. Here, we investigate the role that the frontopolar cortex (FPC) plays in motivating cognitive and physical effort exertion by computing subjective effort equivalents.
Methods: We…

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English / 01/11/2017

The dopaminergic reward system underpins gender differences in social preferences

Women are known to have stronger prosocial preferences than men, but it remains an open question as to how these behavioural differences arise from differences in brain functioning. Here, we provide a neurobiological account for the hypothesized gender difference. In a pharmacological study and an independent neuroimaging study, we tested the hypothesis that the neural reward system…

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English / 01/11/2017

Estimating fixed effects: perfect prediction and bias in binary response panel models, with an application to the hospital readmissions reduction program

The maximum likelihood estimator for the regression coefficients, β, in a panel binary response model with fixed effects can be severely biased if N is large and T is small, a consequence of the incidental parameters problem. This has led to the development of conditional maximum likelihood estimators and, more recently, to estimators that remove the O(T–1) bias in β^. We add to this…

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English / 01/11/2017

Self-direction in online learning: the student experience

The purpose of this research was to explore self-directed learning (SDL) in the context of online learning. The experiences of traditional and nontraditional learners engaged in an online course as part of a degree-seeking program are explored in terms of readiness for SDL and the processes of planning, monitoring, and evaluating one’s own learning in the online context. The findings…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

Balancing present needs and future options: how employees leverage social networks with clients

This paper applies a social capital perspective to study how business units leverage individuals’ external networks to explore and exploit resources outside the firm’s boundaries. We explore this matter inductively by analysing the development and leveraging of social capital at the business unit level in a global commodity company. Our findings show how individuals’ strong and weak…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

Balancing present needs and future options: : how employees leverage social networks with clients

This paper applies a social capital perspective to study how business units leverage individuals’ external networks to explore and exploit resources outside the firm’s boundaries. We explore this matter inductively by analysing the development and leveraging of social capital at the business unit level in a global commodity company. Our findings show how individuals’ strong and weak…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

Procrastination, personality traits, and academic performance: when active and passive procrastination tell a different story

Our study examines the nomological network of active procrastination in comparison with passive procrastination. In particular, we examine the effects of the five factor model with the aim to understand which personality traits predict academic procrastination. We also test the effect of passive and active procrastination on academic performance to study the unique contribution of…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

Procrastination, personality traits, and academic performance: : when active and passive procrastination tell a different story

Our study examines the nomological network of active procrastination in comparison with passive procrastination. In particular, we examine the effects of the five factor model with the aim to understand which personality traits predict academic procrastination. We also test the effect of passive and active procrastination on academic performance to study the unique contribution of…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

Does your résumé photograph tell who you are ?

Given the importance of personality to predict consequential outcomes in the workplace, it is important to be able to measure it accurately. To date, no research has examined if people leave valid cues of their personality in résumé photographs. This research examined to what extent résumé photographs provide accurate information about the personality traits of their owner. Two…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

How hotel owner-operator goal congruence and GM autonomy influence hotel performance

A principal-agent relationship exists between hotel owners and the management companies which often operate their hotels. In addition, they both act as principals to a mutual agent, the hotel's General Manager, who is tasked with trying to achieve each parties' objectives. Extensive research on hotel management agreements which govern the owner-operator relationship has…

Institution partenaire

Haute Ecole de Gestion de Genève

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English / 31/10/2017

Business model innovation in Swiss SMEs: a co-word analysis

Business model innovation (BMI) is increasingly relevant to practitioners as companies look for alternative ways to compete beyond product or process innovations (Henry Chesbrough, 2007; IBM, 2016). Whereas products and processes can often be easily copied by competitors, the dynamic and complex nature of BMI makes it harder to do so (Amit & Zott, 2012; Schneider & Spieth,…

Institution partenaire

Haute Ecole de Gestion de Genève

/ 31/10/2017

Hidden innovation projects: : when is the right time to surface?

As internal allocation of resources becomes more elaborate, companies striving for innovation often struggle to develop and implement radically novel projects that do not fit their established formal organization, logics or routines. Indeed, such projects face significant internal challenges due to which they are often not initiated at all or terminated internally before reaching…

Institution partenaire

Haute Ecole de Gestion de Genève

/ 31/10/2017

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