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Although throughout the history of anthropology the ethnography of urban societies was never an important topic, investigations on cities in Africa contributed to the early theoretical development of urban studies in social sciences. As the ethnography of rural migrants in towns made clear, cultural diversity and creativity are foundational and permanent elements of urban cultures in Africa (and beyond). Currently, two new aspects complement these insights: 1) Different forms of mobility have received a new awareness through the concept of transnationalism. They are much more complex, including not only rural–urban migration, but also urban–urban migration, and migrations with a destination beyond the continent. 2) Urban life-worlds also include the appropriation of globally circulating images and lifestyles, which contribute substantially to the current cultural dynamics of cities in Africa. These two aspects are the reasons for the high complexity of urban contexts in Africa. Therefore, whether it is still appropriate to speak about the “locality” of these life-worlds has become questionable. At the same time, these new aspects explain the self-consciousness of members of urban cultures in Africa. They contribute to the expansive character of these societies and to the impression that cities in Africa host the most innovative and creative societies worldwide.
Transnationale Verlagerung von Care-Arbeit in Hinblick auf Ausbeutungs- und Emanzipationsaspekte
(2010)
In my dissertation I study the transmission of monetary and fiscal policy in New Keynesian DSGE models. In the first chapter we revisit the exchange rate channel in a two-country model of the U.S. and a panel of industrialized countries to analyse how monetary policy transmission in the U.S. changes if it becomes more trade integrated. We find that more openness lowers the sacrifice ratio, although the effect is quantitatively small and depends on the pricing of the firms. In the second chapter we simulate the impact of the U.S. fiscal stimulus package in 2009 on GDP. We find that the government spendingmultiplier is well below 1. The finding is robust to including rule-of-thumb consumers and simulating the stimulus in the recent recession. In the third chapter we collect the fiscal stimulus measures in the eleven biggest countries of the euro area. Then we do a robustness study by simulating the european package in five different models of the euro area. The macroeconomic models vary in terms of backward-looking decision making of the agents and openness. Our findings provide no support for a Keynesian multiplier. Instead they suggest that additional government spending will reduce private spending for consumption and investment purposes. If government spending faces an implementation lag, the initial effect on GDP may even be negative. In the fourth chapter I estimate a DSGE model for Germany and compute forecasts for the debt-to-GDP ratio. I find that the expected economic recovery will lead to a decrease in Germany’s indebtedness in the medium-term given that policy makers stick to the fiscal policy rules.
Die Herausbildung normativer Ordnungen : zur Idee eines interdisziplinären Forschungsprogramms
(2010)
Ein geistes- und sozialwissenschaftliches Forschungsprogramm betritt mit der These, dass wir in einer Zeit tiefgreifender sozialer Veränderungen leben, kein Neuland. Ein thematischer Fokus auf die Frage der Herausbildung normativer Ordnungen mit Bezug auf die entsprechenden Verschiebungen, Umbrüche und Konflikte in verschiedenen Gesellschaften und auf transnationaler Ebene bringt dagegen etwas Neues und Wichtiges ans Licht. Das ist jedenfalls unsere Überzeugung.