Browsing by Subject "Spurious periodicities"

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Business cycles and institutions : empirical analysis
(2017) Kufenko, Vadim; Hagemann, Harald
The cumulative dissertation covers diverse aspects of empirical analysis of business cycles and institutions. There are three research questions in focus. To address the interplay between business cycles and institutions, the first research question is formulated: could the Malthusian cycles be present in a frontier economy with abundance of land and which institutions could be responsible for the Malthusian regime and the transition from it? In order to consider the far-reaching implications of economic cycles for the development of economic thought, the second question is stated: can economic fluctuations quantitatively influence research output? To address the methodology of business cycle analysis, the third question is brought up: how may spurious periodicities emerge and how could one test for them? The main findings in the cumulative dissertation can be summarized as follows: i) it is shown that institutional arrangements may form economic constraints or build-up on the existing ones, responsible for the regimes in which cyclical fluctuations take place; ii) the interaction between the economic cycles and fluctuations in bibliometric variables representing research output in Economics as a science is analysed, and empirical evidence suggests the downswings of cycles stimulate more publications on the topic of crises and business cycles; iii) spurious periodicities emerge close to filtering bounds for real and simulated data after detrending, and it is demonstrated that simultaneous significance testing of spectral density peaks against the noise spectrum across different types of signals may help to reveal spurious periodicities.