How does online advertising affect consumer behaviour, product pricing and competition? To analyse this, I develop a theory of digital markets where an intermediary provides a platform for firms to advertise their product and where consumers need to engage in costly search if they want to learn about the product characteristics. First, I show that when prices are observable...
Objective: Leaders differ in their personalities from non- leaders. However, when do these differences emerge? Are leaders “born to be leaders” or does their personality change in preparation for a leadership role and due to increasing leadership experience? Method: Using data from the German Socio-Economic Panel Study, we examined personality differences between leaders (N = 2683 leaders, women: n ...
We investigate the effect of the COVID-19 pandemic on self-employed people’s mental health. Using representative longitudinal survey data from Germany, we reveal differential effects by gender: whereas self-employed women experienced a substantial deterioration in their mental health, self-employed men displayed no significant changes up to early 2021. Financial losses are important in explaining these ...
Mobile money is an important instrument to improve the degree of financial inclusion, especially in developing countries. However, having a mobile money account does not imply that this account is actually used. In our sample, 86% of microentrepreneurs own a mobile money account, but only 49% actively use it – the resulting gap indicates unmet opportunities. We estimate that mobile money reaches up ...
Following the 2015 refugee influx, recent studies have found that around one in four companies have hired refugees. A survey of 100 companies that hired refugees shows that hiring refugees can increase employee satisfaction, improve reputations, and positively affect corporate developments. At the same time, hiring refugees also poses challenges for employers. These include barriers in the hiring process, ...
Diese Arbeit untersucht den Einfluss verhaltensökonomischer Aspekte und Bildung für die finanzielle Entwicklung. Sie besteht aus vier Kapiteln, welche jeweils ein separates Forschungspapier darstellen. Die Kapitel decken folgende Themen ab: Determinanten einer impulsiven Kreditaufnahme, Hindernisse bei finanzieller Inklusion, die Auswirkungen von finanzieller Bildung und die finanziellen Folgen eines ...
Firms with superior productivity, labeled superstar firms, are argued to be the link between rising concentration and the fall of the aggregate labor share in the US. This analysis confirms that similar evidence is found within the European context: the market share and firm size increase, whereas the labor share decreases with productivity. One of the much discussed mechanisms behind this development ...