Carbon financial markets: a time-frequency analysis of CO2 price drivers

We characterize the interrelation of CO2 prices with energy prices (gas and electricity), and with economic activity. Previous studies have relied on time-domain techniques, such as Vector Auto-Regressions. In this study, we use multivariate wavelet analysis, which operates in the time-frequency dom...

ver descrição completa

Detalhes bibliográficos
Autor principal: Sousa, Rita (author)
Outros Autores: Conraria, Luís Aguiar (author), Soares, M. J. (author)
Formato: workingPaper
Idioma:eng
Publicado em: 2014
Assuntos:
Texto completo:http://hdl.handle.net/1822/27957
País:Portugal
Oai:oai:repositorium.sdum.uminho.pt:1822/27957
Descrição
Resumo:We characterize the interrelation of CO2 prices with energy prices (gas and electricity), and with economic activity. Previous studies have relied on time-domain techniques, such as Vector Auto-Regressions. In this study, we use multivariate wavelet analysis, which operates in the time-frequency domain. Wavelet analysis provides convenient tools to distinguish relations at particular frequencies and at particular time horizons. Our empirical approach has the potential to identify relations getting stronger and then disappearing over specific time intervals and frequencies. We are able to examine the coherency of these variables and lead-lag relations at different frequencies for the time periods in focus.