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When markets fall down : are emerging markets all the same?
Ramos, Sofia B.; Vermunt, Jeroen K.; Dias, José G. - In: International journal of finance & economics : IJFE 16 (2011) 4, pp. 324-338
Persistent link: https://www.econbiz.de/10009508119
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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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Oil price asymmetric effects : answering the puzzle in international stock markets
Ramos, Sofia B.; Veiga, Helena - In: Energy economics 38 (2013), pp. 136-145
Persistent link: https://www.econbiz.de/10009764598
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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
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Risk factors in the oil industry : an upstream and downstream analysis
Ramos, Sofia B.; Veiga, Helena; Wang, Chih-Wei - In: The interrelationship between financial and energy markets, (pp. 3-32). 2014
Persistent link: https://www.econbiz.de/10010411181
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Limited attention, salience of information and stock market activity
Ramos, Sofia B.; Latoeiro, Pedro; Veiga, Helena - In: Economic modelling 87 (2020), pp. 92-108
Persistent link: https://www.econbiz.de/10012416402
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Do investors price industry risk? : evidence from the cross-section of the oil industry
Ramos, Sofia B.; Taamouti, Abderrahim; Veiga, Helena; … - In: The journal of energy markets 10 (2017) 1, pp. 79-108
Persistent link: https://www.econbiz.de/10011999412