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...
We investigate how R&D spillovers propagate across firms linked through Research Joint Ventures (RJVs). Building on the framework developed by Bloom et al. (2013) which considers the opposing effects of knowledge spillovers and product market rivalry, we extend the model to account for RJV cooperation. Since the firm’s decision to join a RJV is endogenous, we build a model of RJV participation. The ...
There was a significant increase in the number of women on executive boards of large companies in Germany from 2020 to 2021 after years of slow progress: In fall 2021, there were 139 women on the executive boards of the 200 largest companies, 38 more than in 2020. This is an increase of a good three percentage points to almost 15 percent, the largest seen since the beginning of the DIW Berlin Women ...
This second report in the DIW Berlin Women Executives Barometer 2022 explores the designs and effects of gender quotas across Europe, coming to the conclusion that they are an effective instrument for increasing the share of women in top positions at large companies. Furthermore, the quotas differ greatly between the countries, for example in regard to the number of companies subject to the quota, ...
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 ...
Steam coal exporters face increasing uncertainty about future coal demand and risks of asset stranding. Nevertheless, new export-oriented coal mine projects are still brought forward. In this study, we use the coal sector model COALMOD-World to assess the economic prospects of investments in the export-oriented steam coal sector, and in particular of coal mines in the Galilee Basin, Australia. We parameterize ...