This paper investigates the impact of occasional grandchild care on grandparent healthusing the pan-European dataset SHARE on elderly people. We find a small but statisticallysignificant positive correlation between grandchild care and physical health, cognitivefunctioning and mental health....

Die Europäische Währungsunion steckt in einer tiefen Zahlungsbilanzkrise. Privates Kapital fließt imgroßen Stil von den Peripherieländern in die Kernländer. Um den Fortbestand des Euro zugewährleisten treten öffentliche, intergouvernementale Kredite und Target-Kredite der...

Economies of scale and scope are typically modelled and estimated using cost functions that are common to all firms in an industry irrespective of whether they specialize in a single output or produce multiple outputs. We suggest an alternative flexible technology model that does not make this...

Using the recursive unit root test by Phillips et al. (2011) we show that the Target balances of the German Bundesbank have been explosive from the beginning of 2009 to the beginning of 2013. By implementing a full-allotment policy and reducing the required minimum quality of collaterals in...

In the present paper I examine tax revenue projections in Germany over the period 1968 to 2012 with a focus on forecasting rationality. I show that tax revenue forecasts for themedium-term are upward biased. Overoptimistic revenue projections are particularly pronounced after the German...

In this paper, we ask whether it is possible to forecast gross value-added (GVA) and its sectoral subcomponents at the regional level. With an autoregressive distributed lagmodel we forecast total and sectoral GVA for one German state (Saxony) with more than 300 indicators from different...

Inspired by the theory of variety-expanding product innovation we derive a testable relationship of outsourcing on the growth rate of knowledge. We estimate this relationship with a firm-level dataset, which is a unique match of PATSTAT patent data and theAmadeus dataset. We find evidence that...

Are public sector jobs better than private sector jobs? To answer this question, this paper investigates observed differences in job satisfaction between public- and private-sector workers and disentangles the effect of worker sorting from the one caused by sectorspecific job characteristics. A...