How do the social media affect the success of charitable promotional campaigns? We use individual-level longitudinal data and experimental data from a social-media application that facilitates donations while broadcasting donors' activities to their contacts. We find that broadcasting is...

Das deutsche Bildungssystem steht ungeachtet diverser Reformanstrengungen in der jüngeren Vergangenheit weiter vor großen Herausforderungen: Im internationalen Vergleich fehlt es an sozialer Chancengleichheit im Verlauf der Bildungskarrieren, und für eine "Bildungsnation" nehmen sich die...

(Title: Active Labor Market Policy and its Evaluation: The Current State of Affairs) Despite the considerable effort and the large financial expenditures spent on measures of Active Labor Market Policy in Germany, relatively little is known about their actual impact. To the contrary, past...

Der demografische Wandel zwingt Deutschland zu empfindlichen Korrekturen seiner Politik auf allen Ebenen. Dies gilt auch für eine Reform der Zuwanderungspolitik mit dem Ziel, sie am tatsächlichen Bedarf auszurichten und selektiv zu gestalten. Eine gezielte Auswahl von Zuwanderern anhand...

The research area of the new economics of personnel has a short but important and insightful history. Theory ahead of measurement asks for testing newly developed human resource concepts. These tests often need detailed firm-specific data. Repetition and comparison of results is key in finding...

What are the performance benefits of investing in human resources in a low-cost labor environment where returns to such investment are widely perceived as negligible? This paper presents a matched pair case study on the performance effect of human resource management systems at two garment...

This paper contributes to the emerging strand of the empirical literature that takes advantage of new data on workplace-specific job attributes and voluntary employee turnover to shed fresh insights on the relationship between employee turnover, adverse workplace conditions and HRM environments....

This paper presents a general equilibrium assignment model of workers to tasks with endogenous supply of skills. The model has 2 key features. First, skills are endogenous and multidimensional. Second, two types of assignment occur; workers self-select the type of skills to supply and firms...

Formal education is widely thought to be a major determinant of individual earnings. This paper uses the American Community Survey to examine the effect of formal schooling on worker wages. Given the potential endogeneity of education decisions, I instrument for individual schooling using...