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Referierte Aufsätze Web of Science
This paper investigates the impact of governance structure on firm performance (i.e., retail prices) using a database of 765 German water suppliers. Controlling for scale economies as well as technical and structural characteristics, we find that private sector participation is accompanied with higher retail prices. Furthermore, Eastern states on average feature higher prices mirroring significant ...
In:
Utilities Policy
18 (2010), 3, S. 154-162
| Sophia Rüster, Michael Zschille
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Sonstige Publikationen des DIW / Aufsätze 2010
Zuerst erschienen in: Wochenbericht 79 (2009) 10, S. 150-155
2010| Christian von Hirschhausen, Astrid Cullmann, Matthias Walter, Michael Zschille
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Diskussionspapiere 990 / 2010
The paper investigates whether the presence and tenure of Private Equity (PE) investment in European companies improves their performance. Previous studies documented the unambiguous merit of a buyout during the 1980s and 1990s for listed firms in the US and UK markets. This study analyzes such influences in both listed and unlisted European firms during 2002-2007. Our analysis suggests that shortterm ...
2010| Oleg Badunenko, Christopher F. Baum, Dorothea Schäfer
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FINESS Working Papers 3.4 / 2009
The paper investigates the link between bank concentration and a country's buyout market. We perform a macro level analysis for 15 European countries during 1997-2007. We estimate the elasticity of the country i's buyout market to country i's concentration in the banking sector. Our major finding suggests that the more concentrated the banking sector is, the better it is for the size of the buyout ...
2009| Oleg Badunenko, Saloni Deva, Dorothea Schäfer, Michael Viertel
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FINESS Working Papers 3.1A / 2009
Since the summer of 2007, participants in financial markets have been confronted by a crisis of their own making. In order to prevent the recurrence of a similar crisis in the future, the G-20 nations, at their finance summit in Washington on 15 November 2008, resolved to "ensure that all financial markets, products and participants are regulated or subject to oversight, as appropriate to their circumstances." ...
2009| Dorothea Schäfer
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Nicht-referierte Aufsätze
In:
Energiewirtschaftliche Tagesfragen
59 (2009), 1/2, S. 66-71
| Franz Heilemann, Andreas Stephan, Oleg Badunenko
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Weitere referierte Aufsätze
Using a unique large panel of German firms, we examine whether participation in business groups (Konzerns) reduces the sensitivity of investment to cash flow. The main finding is that the investment sensitivity is significantly reduced for small firms. On the other hand, we do not find clear evidence that medium-sized and large firms participating in Konzerns have different sensitivity compared to ...
In:
Research in International Business and Finance
23 (2009), 3, S. 233-242
| Yuriy Gorodnichenko, Dorothea Schäfer, Oleksandr Talavera
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Diskussionspapiere 962 / 2009
This paper provides an empirical demonstration for a practical approach of efficiency evaluation against the background of limited data availability in some regulated industries. Here, traditional DEA may result in a lack of discriminatory power when high numbers of variables but only limited observations are available. We apply PCA-DEA for radial efficiency measurement to US natural gas transmission ...
2009| Maria Nieswand, Astrid Cullmann, Anne Neumann
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DIW Wochenbericht 10 / 2009
Der deutschen Wasserwirtschaft könnte in naher Zukunft ein grundlegender Wandel ihrer Geschäftspraktiken bevorstehen. Durch die jüngeren Kartellverfahren gegen kommunale Wasserunternehmen in Hessen ist ein neues Kapitel im deutschen Wassersektor aufgeschlagen worden. In Verfahren gegen Wetzlar, Frankfurt und Kassel erwirkte die Kartellbehörde bereits drastische Preissenkungen um bis zu 30 Prozent. ...
2009| Christian von Hirschhausen, Astrid Cullmann, Matthias Walter, Michael Zschille
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Referierte Aufsätze Web of Science
This paper investigates the link between the optimal level of nonfinancial firms' short-term leverage and macroeconomic and idiosyncratic sources of uncertainty. We develop a structural model of a firm's value maximization problem that predicts a negative relationship between uncertainty and optimal levels of borrowing. This proposition is tested using a panel of nonfinancial U.S. firms drawn from ...
In:
Economic Inquiry
47 (2009), 2, S. 216-225
| Christopher F. Baum, Andreas Stephan, Oleksandr Talavera