Networks and the Macroeconomy: An Empirical Exploration
Daron Acemoglu, Ufuk Akcigit, William R. Kerr
NBER Macroeconomics Annual,
2015
Abstract
How small shocks are amplified and propagated through the economy to cause sizable fluctuations is at the heart of much macroeconomic research. Potential mechanisms that have been proposed range from investment and capital accumulation responses in real business-cycle models (e.g., Kydland and Prescott 1982) to Keynesian multipliers (e.g., Diamond 1982; Kiyotaki 1988; Blanchard and Kiyotaki 1987; Hall 2009; Christiano, Eichenbaum, and Rebelo 2011); to credit market frictions facing firms, households, or banks (e.g., Bernanke and Gertler 1989; Kiyotaki and Moore 1997; Guerrieri and Lorenzoni 2012; Mian, Rao, and Sufi 2013); to the role of real and nominal rigidities and their interplay (Ball and Romer 1990); and to the consequences of (potentially inappropriate or constrained) monetary policy (e.g., Friedman and Schwartz 1971; Eggertsson and Woodford 2003; Farhi and Werning 2013).
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How Effective is Macroprudential Policy during Financial Downturns? Evidence from Caps on Banks' Leverage
Manuel Buchholz
Working Papers of Eesti Pank,
No. 7,
2015
Abstract
This paper investigates the effect of a macroprudential policy instrument, caps on banks' leverage, on domestic credit to the private sector since the Global Financial Crisis. Applying a difference-in-differences approach to a panel of 69 advanced and emerging economies over 2002–2014, we show that real credit grew after the crisis at considerably higher rates in countries which had implemented the leverage cap prior to the crisis. This stabilising effect is more pronounced for countries in which banks had a higher pre-crisis capital ratio, which suggests that after the crisis, banks were able to draw on buffers built up prior to the crisis due to the regulation. The results are robust to different choices of subsamples as well as to competing explanations such as standard adjustment to the pre-crisis credit boom.
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16.12.2015 • 45/2015
German Economy: Strong domestic demand compensates for weak exports
The upturn of the German economy is expected to gain further momentum as a consequence of strong domestic demand. Real gross domestic product is expected to increase by 1.6% in 2016. Consumer prices are expected to rise by 0.9%. Unemployment is expected to rise slightly because it will take time to integrate refugees into the labour market.
Oliver Holtemöller
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The Structure and Evolution of Inter-sectoral Technological Complementarity in R&D in Germany from 1990 to 2011
T. Broekel, Matthias Brachert
Journal of Evolutionary Economics,
No. 4,
2015
Abstract
Technological complementarity is argued to be a crucial element for effective R&D collaboration. The real structure is, however, still largely unknown. Based on the argument that organizations’ knowledge resources must fit for enabling collective learning and innovation, we use the co-occurrence of firms in collaborative R&D projects in Germany to assess inter-sectoral technological complementarity between 129 sectors. The results are mapped as complementarity space for the Germany economy. The space and its dynamics from 1990 to 2011 are analyzed by means of social network analysis. The results illustrate sectors being complements both from a dyadic and portfolio/network perspective. This latter is important, as complementarities may only become fully effective when integrated in a complete set of different knowledge resources from multiple sectors. The dynamic perspective moreover reveals the shifting demand for knowledge resources among sectors at different time periods.
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Konjunktur aktuell: Deutsche Konjunktur: Aufschwung setzt sich fort
Konjunktur aktuell,
No. 3,
2015
Abstract
Nach einem moderaten Start ins Jahr 2015 wird die gesamtwirtschaftliche Produktion in Deutschland wieder etwas mehr Fahrt aufnehmen. Der Produktionszuwachs dürfte im zweiten und im dritten Quartal 2015 mit 0,5% sogar über seiner Potenzialrate liegen. Die Inlandsnachfrage bleibt kräftig, und die Nachfrage aus dem Ausland zieht wieder etwas an. Alles in allem dürfte das reale Bruttoinlandsprodukt im Jahr 2015 um 1,8% steigen (66%-Prognoseintervall: 1,3% bis 2,3%).
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The Structure and Evolution of Intersectoral Technological Complementarity in R&D in Germany from 1990 to 2011
Matthias Brachert, T. Broekel
Abstract
Technological complementarity is argued to be a crucial element for effective Research and Development (R&D) collaboration. The real structure is, however, still largely unknown. Based on the argument that organizations’ knowledge resources must fit for enabling collective learning and innovation, we use the co-occurrence of firms in collaborative R&D projects in Germany to assess inter-sectoral technological complementarity between 129 sectors. The results are mapped as complementarity space for the Germany economy. The space and its dynamics from 1990 to 2011 are analyzed by means of social network analysis.
The results illustrate sectors being complements both from a dyadic and portfolio/ network perspective. This latter is important, as complementarities may only become fully effective when integrated in a complete set of different knowledge resources from multiple sectors. The dynamic perspective moreover reveals the shifting demand for knowledge resources among sectors at different time periods.
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Konjunktur aktuell: Deutsche Konjunktur hat Schwung verloren
Konjunktur aktuell,
No. 4,
2014
Abstract
Die deutsche Wirtschaft expandiert im Jahr 2014 in mäßigem Tempo. Der hohe Produktionszuwachs vom Jahresanfang hat sich nicht fortgesetzt, und die Unternehmen schätzen ihre Aussichten nicht mehr ganz so günstig ein, denn eine kräftige Erholung des Euroraums lässt weiter auf sich warten. Zudem verunsichert der Konflikt zwischen Russland und dem Westen. Die binnenwirtschaftlichen Bedingungen sind aber weiter günstig. Das reale Bruttoinlandsprodukt dürfte im Jahr 2014 um 1,5% und im Jahr 2015 um 1,6% zunehmen.
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