Markov-Switching and the Ifo Business Climate: the Ifo Business Cycle Traffic Lights

Klaus Abberger and Wolfgang Nierhaus

OECD Journal: Journal of Business Cycle Measurement and Analysis, 2010, vol. 2010, issue 2, 1-13

Abstract: Business cycle indicators are used to assess the economic situation of countries or regions. They are closely watched by the public, but are not easy to interpret. Does a current movement of the indicator signal a turning point or not? With the help of Markov Switching Models movements of indicators can be transformed in probability statements. In this article, the most important leading indicator of the German business cycle, the Ifo Business Climate, is described by a Markov Switching Model. Real-time probabilities for the current business-cycle regime are derived and presented in an innovative way: as the Ifo traffi c lights. JEL Classifi cation: E32, C22 Keywords: Ifo business climate, growth cycle, turning points, Markov-switching

Date: 2010
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Working Paper: Markov-Switching and the Ifo Business Climate: The Ifo Business Cycle Traffic Lights (2010)
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