Testing for Structural Breaks at Unknown Time: A Steeplechase
Makram El-Shagi, Sebastian Giesen
Computational Economics,
No. 1,
2013
Abstract
This paper analyzes the role of common data problems when identifying structural breaks in small samples. Most notably, we survey small sample properties of the most commonly applied endogenous break tests developed by Brown et al. (J R Stat Soc B 37:149–163, 1975) and Zeileis (Stat Pap 45(1):123–131, 2004), Nyblom (J Am Stat Assoc 84(405):223–230, 1989) and Hansen (J Policy Model 14(4):517–533, 1992), and Andrews et al. (J Econ 70(1):9–38, 1996). Power and size properties are derived using Monte Carlo simulations. We find that the Nyblom test is on par with the commonly used F type tests in a small sample in terms of power. While the Nyblom test’s power decreases if the structural break occurs close to the margin of the sample, it proves far more robust to nonnormal distributions of the error term that are found to matter strongly in small samples although being irrelevant asymptotically for all tests that are analyzed in this paper.
Read article
FDI Micro Database – Methodological Note – Survey 2012 in East Germany
Jutta Günther, Andrea Gauselmann, Björn Jindra, Philipp Marek, Jan Engelhardt
One-off Publications,
2012
Abstract
With the integration of post-communist countries into the European and global economy
after 1990, there was strong research interest into the role of multinational enterprises
(MNEs) for economic restructuring and technological catching-up. Most of the existing
empirical studies on locational determinants of FDI and host country effects did not take
account of East Germany. This might be for different reasons: Firstly, theoretical and
empirical difficulties derive from the fact that East Germany followed a distinct transition
pattern as it became a region subsumed in a larger and more mature economy. Secondly,
East Germany received private investment from foreign as well as West German firms. Only
the first can be considered as a foreign direct investment (FDI). Finally, there had long been
a lack of micro data to adequately analyse the activities of corresponding firms from a
production as well as technological perspective.
Read article
Predicting Financial Crises: The (Statistical) Significance of the Signals Approach
Makram El-Shagi, Tobias Knedlik, Gregor von Schweinitz
Abstract
The signals approach as an early warning system has been fairly successful in detecting crises, but it has so far failed to gain popularity in the scientific community because it does not distinguish between randomly achieved in-sample fit and true predictive power. To overcome this obstacle, we test the null hypothesis of no correlation between indicators and crisis probability in three applications of the signals approach to different crisis types. To that end, we propose bootstraps specifically tailored to the characteristics of the respective datasets. We find (1) that previous applications of the signals approach yield economically meaningful and statistically significant results and (2) that composite
indicators aggregating information contained in individual indicators add value to the signals approach, even where most individual indicators are not statistically significant on their own.
Read article
Fiscal Policy and the Great Recession in the Euro Area
Mathias Trabandt, Günter Coenen, Roland Straub
American Economic Review: Papers and Proceedings,
No. 3,
2012
Abstract
How much did fiscal policy contribute to euro area real GDP growth during the Great Recession? We estimate that discretionary fiscal measures have increased annualized quarterly real GDP growth during the crisis by up to 1.6 percentage points. We obtain our result by using an extended version of the European Central Bank's New Area-Wide Model with a rich specification of the fiscal sector. A detailed modeling of the fiscal sector and the incorporation of as many as eight fiscal time series appear pivotal for our result.
Read article
Protect and Survive? Did Capital Controls Help Shield Emerging Markets from the Crisis?
Makram El-Shagi
Economics Bulletin,
No. 1,
2012
Abstract
Using a new dataset on capital market regulation, we analyze whether capital controls helped protect emerging markets from the real economic consequences of the 2009 financial and economic crisis. The impact of the crisis is measured by the 2009 forecast error of a panel state space model, which analyzes the business cycle dynamics of 63 middle-income countries. We find that neither capital controls in general nor controls that were specifically targeted to derivatives (that played a crucial role during the crisis) helped shield economies. However, banking regulation that limits the exposure of banks to global risks has been highly successful.
Read article
IWH FDI Micro Database – Methodological Note – Survey 2009 in East Germany
Andrea Gauselmann, Gabriele Hardt, Björn Jindra, Philipp Marek
One-off Publications,
No. 3,
2009
Abstract
The paper is a methodological report on the IWH-FDI-Micro Database of the year 2009. It contains a motivation of the research questions and describes the availability of existing data sources on multinational affiliates in transition economies. In its core it describes the population, survey sampling and implementation, in depth information on the survey representativeness, and questionnaire design. The 2009 survey covers multinationals affiliates in manufacturing and selected services of Hungary, Czech Republic, Poland, Romania, Slovakia, and East Germany.
Read article
IWH FDI Micro Database – Methodological Note – Survey 2010 in East Germany
Andrea Gauselmann, Gabriele Hardt, Björn Jindra, Philipp Marek
One-off Publications,
2010
Abstract
The paper is a methodological report on the IWH-FDI-Micro Database of the year 2010. It contains a motivation of the research questions and describes the availability of existing data sources on multinational affiliates in transition economies. In its core it describes the population, survey sampling and implementation, in depth information on the survey representativeness, and questionnaire design. The 2010 survey covers multinationals affiliates in manufacturing and selected services of East Germany.
Read article
IWH FDI Micro Database – Methodological Note – Survey 2008 in East Germany
Andrea Gauselmann, Gabriele Hardt, Björn Jindra, Philipp Marek
One-off Publications,
No. 2,
2008
Abstract
The paper is a methodological report on the IWH-FDI-Micro Database of the year 2008. It contains a motivation of the research questions and describes the availability of existing data sources on multinational affiliates in transition economies. In its core it describes the population, survey sampling and implementation, in depth information on the survey representativeness, and questionnaire design. The 2008 survey covers multinationals affiliates in manufacturing and selected services of East Germany.
Read article
IWH FDI Micro Database – Methodological Note – Survey 2007 in East Germany
Andrea Gauselmann, Gabriele Hardt, Björn Jindra, Philipp Marek
One-off Publications,
No. 3,
2007
Abstract
The paper is a methodological report on the IWH-FDI-Micro Database of the year 2007. It contains a motivation of the research questions and describes the availability of existing data sources on multinational affiliates in transition economies. In its core it describes the population, survey sampling and implementation, in depth information on the survey representativeness, and questionnaire design. The 2007 survey covers multinationals affiliates in manufacturing of Croatia, Poland, Romania, Slovenia East Germany.
Read article
Bericht über den IWH/INFER-Workshop on Applied Economics and Economic Policy
Katja Drechsel, Makram El-Shagi
Wirtschaft im Wandel,
No. 4,
2011
Abstract
Am 14. und 15. Februar 2011 fand am IWH erstmalig in Zusammenarbeit mit dem International Network for Economic Research (INFER) der Workshop „Applied Economics and Economic Policy“ statt. Wissenschaftlerinnen und Wissenschaftler europäischer Universitäten und internationaler Organisationen stellten einem breiten Publikum neueste Forschungsergebnisse zu aktuellen ökonomischen Fragen und Problemen vor. Der Workshop richtete sich neben einem wissenschaftlichen Publikum vor allem auch an Mitarbeiterinnen und Mitarbeiter internationaler Organisationen, wie beispielsweise der Europäischen Kommission und der Europäischen Zentralbank (EZB), sowie der verschiedenen Ministerien, wie z. B. der Wirtschaftsministerien. Ziel der Veranstaltung war es somit, nicht nur aktuelle Forschungsergebnisse vorzustellen, sondern auch mit Vertretern aus Wissenschaft und Praxis über aktuelle Wirtschaftspolitik und über das Spezialthema „The Empirics of Imbalances and Disequilibria“
zu diskutieren. Mit Lorenzo Bini Smaghi, Mitglied des Direktoriums der EZB, und Martin Hallet aus der Generaldirektion Wirtschaft und Finanzen der Europäischen Kommission konnten zwei hochrangige Vertreter aus den politischen Institutionen als Keynote-Speaker gewonnen werden.
Read article