More than 70% of global e-mail traffic consists of unsolicited and commercial direct marketing, also known as spam. Dealing with spam incurs high costs for organizations, prompting efforts to try to reduce spam-related costs by installing spam filters. Using modern econometric methods to reduce...

To innovate, employees need to develop novel ideas and coordinate with each other to turn these ideas into better products and services. Work outcomes provide signals about employees' abilities to the labor market, and therefore career concerns arise. These can both be 'good' (enhancing...

The higher the hierarchical level, the fewer women are represented in management positions. Many studies have focused on the influence of human capital and other "objective" factors on career opportunities to explain this phenomenon. We are now looking at the impact of self-reported personality...

The labor market differs from other markets in many respects. Most important is that those who supply labor also have to deliver it in person. It means firstly that the work environment and organization of work are important for those who deliver labor, since they are in the work place....

Instrumental variable estimation requires untestable exclusion restrictions. With policy effects on individual outcomes, there is typically a time interval between the moment the agent realizes that he may be exposed to the policy and the actual exposure or the announcement of the actual...

We investigate how female representation impacts policymaking using the example of child care and new hand-collected data on local council elections in Bavaria. RDD estimations (mixed-gender races for last party-specific council seats) show that an additional female councilor accelerates the...

We use rich firm-level data and national input-output tables from 17 countries over the 2002-2005 period to test new and existing hypotheses about the impact of foreign direct investment (FDI) on the efficiency of domestic firms in the host country (i.e., spillovers). We document that backward...

Comparing domestic- and foreign-owned firms in Germany, this paper finds that foreign-owned firms are more likely to focus on short-term profit. This influence is particularly strong if the local managers of the German subsidiary are not sent from the foreign parent company. Moreover, the...

Our estimates, based on large firm-level and industry-level data sets from eighteen countries, suggest that FDI and trade have strong positive spillover effects on product and technology innovation by domestic firms in emerging markets. The FDI effect is more pronounced for firms from advanced...

The rapid growth and high levels of internationalization by Chinese firms, raise a natural interest in the study of the factors which have led the notable international presence of Chinese firms. To contribute to this effort, we use data from the 2008-10 survey of China's High-tech firms,...