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Clustering financial time series : new insights from an extended hidden Markov model
Dias, José G.; Vermunt, Jeroen K.; Ramos, Sofia B. - In: European journal of operational research : EJOR 243 (2015) 3, pp. 852-864
Persistent link: https://www.econbiz.de/10010513848
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Correlations between oil and stock markets : a wavelet-based approach
Martín-Barragán, Belén; Ramos, Sofia B.; Veiga, Helena - In: Economic modelling 50 (2015), pp. 212-227
Persistent link: https://www.econbiz.de/10011440530