World cities are important nodes in the global networks of knowledge-based economies. As a result of the growing complexity of knowledge creation, firms increasingly organise their activities in business networks that operate across different spatial scales. On the global scale, new information...

This paper deals with the question whether firms' employment performance in the periods preceding their exit can be regarded as casting a 'Shadow of Death' on their final leaving the market. This aspect is of high relevance for politicians and other decision-makers, because by knowing more about...

This paper studies the impact of environmental innovation on employment growth using firm-level data for 16 European countries and the period 2006-2008. It extends the model by Harrison et al (2008) in order to distinguish between employment effects of environmental and non-environmental product...

Strong regional clusters are increasingly seen as a response to economic globalization by policy makers and regional development agencies. The reasoning of competitive advantages of countries and regions with enterprises organized in clusters has mainly been popularized by Porter (1990, 1998,...

The question of whether alcohol and tobacco are consumed as complements or substitutes is crucial for determining the side-effects of anti-smoking policies. Numerous papers have empirically addressed this issue by estimating demand systems for alcohol and tobacco, and subsequently calculating...

The introduction of the German parental leave benefit (Elterngeld) applied to all children born on 1 January, 2007 or later. The Elterngeld considerably changed the amount of transfers to families during the first two years postpartum. We show that the incentives created by using a cut-off date...

This study introduces a monthly coincident indicator for consumption in Germany based on Google Trends data on web search activity. In real-time nowcasting experiments the indicator outperforms common survey-based indicators in predicting consumption. Unlike those indicators, it provides...

The classical Heckman (1976, 1979) selection correction estimator (heckit) is misspecified and inconsistent, if an interaction of the outcome variable with an explanatory variable matters for selection. To address this specification problem, a full information maximum likelihood (FIML) estimator...

Numerous studies have evaluated the effect of nutrition early in life on health much later in life by comparing individuals born during a famine to others. Nutritional intake is typically unobserved and endogenous, whereas famines arguably provide exogenous variation in the provision of...

Deindustrialization and Tertiarization and the Polarization of Household Incomes: The Example of German Agglomerations The deindustrialization of the economy has left deep scars on cities. It is evident not only in the industrial wastelands and empty factory buildings scattered throughout the...