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A comparison of the 2007-08 crisis with that of 1929 showed its extreme gravity, but it also may have implied that the old harmful mistakes would not be repeated. After four years, the crisis has not been solved and it even threatens to worsen. Neo-conservative Republicans claim that this is...
Persistent link: https://www.econbiz.de/10011260788
The paper discusses opportunities to utilize the series of micro-blogs as provided by the Twitter in observation of opinion dynamics. The spontaneity of tweets is more, as the service is attached more to the mobile communications. The extraction of information in the series of tweets is...
Persistent link: https://www.econbiz.de/10008695068
The paper presents a general empirical method of distance-based multifaceted systematic identifying of the positions of countries in relation to inequalities and imbalances. In order to understand the world economic relations in their entirety, we decided to analyze twelve most populous...
Persistent link: https://www.econbiz.de/10011113615
This paper features an analysis of cryptocurrencies and the impact of the COVID-19 pandemic on their effectiveness as a portfolio diversification tool and explores the correlations between the continuously compounded returns on Bitcoin, Ethereum and the S&P500 Index using a variety of parametric...
Persistent link: https://www.econbiz.de/10013201406
This paper uses the wavelet methodology to analyze the dynamics of inflation in Mexico at different frequencies over time. First, we analyze the monthly behavior of the headline, core, and noncore inflation from January 2007 to December 2018. Subsequently, the decomposition shows that the shocks...
Persistent link: https://www.econbiz.de/10012616389
In machine learning and data science literature, clustering is the task of dividing the observations (data points) into several categories in such a way that data points falling into one group are being dissimilar than the data points falling to the other groups such that the variation within a...
Persistent link: https://www.econbiz.de/10014462056
In spite of the power of the Black & Scholes option pricing method, there are situations in which the hypothesis of a lognormal model is too restrictive. One possibility to deal with this problem, consists of a weaker hypothesis, fixing only successive moments and eventually the mode of the...
Persistent link: https://www.econbiz.de/10005350941
Using recent advances in time-varying spectral methods, this research analyses the growth cycles of the core of the euro area in terms of frequency content and phasing of cycles. The methodology uses the con-tinuous wavelet transform (CWT) and also Hilbert wavelet pairs in the setting of a...
Persistent link: https://www.econbiz.de/10005207143
Wavelet analysis, although used extensively in disciplines such as signal processing, engineering, medical sciences, physics and astronomy, has not yet fully entered the economics discipline. In this discussion paper, wavelet analysis is introduced in an intuitive manner, and the existing...
Persistent link: https://www.econbiz.de/10005034674
Wavelet analysis, although used extensively in disciplines such as signal processing, engineering, medical sciences, physics and astronomy, has not yet fully entered the economics discipline. In this discussion paper, wavelet analysis is introduced in an intuitive manner, and the existing...
Persistent link: https://www.econbiz.de/10012147930