Seminare

This paper exploits unique variation induced by two information treatments on a sample of German households in 2017 and 2018 to evaluate how subjective belief formation about stock market returns affects stock market participation and portfolio choice. I find that on average the information treatments do not shift individual expectations about returns significantly. Additionally, I show that ...

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This paper empirically analyses the impact of government ownership on competition. The COVID-19 pandemic and subsequent governmental equity interventions in the European airline industry provides for a particularly ideal setting to investigate this topic, and this for several reasons. First, airline markets and competition therein are well-defined and well-understood. Second, European countries ...

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Higher wage dispersion may induce unemployed workers to search longer for a job by increasing their reservation wages. This paper investigates the implications of this mechanism in a job search model featuring a finite work life, showing that a mean-preserving spread of the wage offer distribution could lead to a larger increase in reservation wages of younger than older workers because the ...

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The political consequences of refugees for receiving countries have received much attention in recent years and have sparked a burgeoning literature. However, evidence on the long-run consequences of refugees is lacking. The expulsion of 8 million Germans (so-called expellees) from Eastern Europe to post-WWII West Germany serves as a natural experiment that allows us to estimate the long-run ...

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Using recently published U.S. long-run microdata (SCF+), we document that — for people born in the first half of the 20th century — median wealth used to increase from one ten-year birth cohort to another. For people born in the second half, median wealth successively declined from cohort to cohort and wealth inequality within birth cohorts has markedly increased. Shifts in observable ...

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Advertising on e-commerce platforms, which enables third-party sellers to place their products as sponsored listings within organic results, is a widespread phenomenon, creating large revenues for online marketplaces. While economic theory suggests that advertising can serve as a signal for product quality, the empirical evidence is ambiguous. In this project, I collect data from a leading online ...

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In the absence of globally coordinated action to combat climate change, governments are concerned that ambitious carbon pricing could harm the competitiveness of emission-intensive industries. A prominent measure to prevent that manufacturing producers relocate to countries with laxer environmental regulation are carbon border adjustments often referred to as carbon tariffs. Several studies have ...

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The Berlin School of Economics Applied Micro Seminar (BAMS) is a weekly research seminar, focused on labor economics, industrial organization, political economy and related areas in applied microeconomics. It is jointly organized by DIW Berlin, Hertie School, HU Berlin, FU Berlin, TU Berlin, WZB, ESMT Berlin, University of Potsdam, European University Viadrina, BCCP and SFB TRR 190. BAMS is one of ...

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This paper aims to investigate whether Van Parijs' theory of Unconditional Basic Income (UBI) can address the criticism of the lack of individual responsibility on the part of recipients. To do so, I relate this UBI theory to the results of field experiments that study the impact of UBI on employment. Theoretical and empirical results suggest that the UBI does not lead to a decrease in labor ...

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The part-time wage penalty is a key contributor to the gender wage gap. In this paper, I study how the part-time penalty decomposes in a lack of promotions to higher paying levels of the career ladder and a lack of wage growth conditional on the career level. I develop a dynamic model of labor supply that distinctly features hierarchical wage structures and promotions. I estimate the ...

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We analyze mergers between strategic data intermediaries collecting consumer information that they sell to firms competing in a product market. We show that a merger: (a) reduces the intensity of competition in the product market through a change in the selling strategies of merging intermediaries; (b) increases data collection, reducing consumer surplus through a better rent extraction. We argue ...

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This series of lectures considers econometrics issues that arise in the process of forecasting. We will see that several basic econometric notions need to be reconsidered when forecasting. An important starting point when forecasting is the underlying motivation for the forecast, which can be summarised in the loss function. We then move to multistep forecasting, forecasting in changing ...

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High growth firms are high on the policy agenda as empirical evidence consistently shows that they disproportionately contribute to economic growth via net job creation. Several innovation scholars analyze how high growth entrepreneurship responds to the local enabling environment, such as institutional and framework conditions. However, the majority of these studies look at the role of formal ...

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The DIW Graduate Center is pleased to offer a masterclass on complementary modeling in energy markets by Steven A. Gabriel.  We will review optimization problems (linear/nonlinear) and then introduce equilibrium problems expressed as mixed complementarity problems (MCPs).  These latter problems have a diverse set of applications including market equilibrium/non-cooperative ...

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In Germany, health needs of citizens and ordinary residents are taken care of under the scope of statutory social and health insurance. The asylum-seeking population, however, receives healthcare through a parallel system, where decisions on provision of health services are not met at a central health governance level, but rather at federal state and sometimes at municipal level. The ...

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The DIW Graduate Center is pleased to offer a masterclass on text mining by Stephen Hansen, Imperial College London. Details on the dates of the events will be announced in due time.

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This short course is meant to give an overview over the most common web scraping techniques. The idea is to have an interactive course in which the participants get their hands on actual code and work with it. Therefore, please bring your own computers, if possible. The main aim is to cover several approaches that are needed to scrape different types of data from different websites. In ...

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After the economic impact of the COVID-19 crisis, Catalonia is set to be the place of the most ambitious Universal Basic Income (UBI) pilot experiment in Europe to date. Up to 5,000 participants will be selected to receive for two years (2023-2024) an individual cash benefit of 800 EUR (300 EUR for minors), unconditionally. The Catalan pilot project will also test the universality of ...

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