Hammoudeh, Shawkat; Nguyen, Duc Khuong; Sousa, Ricardo M. - Núcleo de Investigação em Políticas Económicas … - 2014
allowance prices; (ii) an unexpected increase in the natural gas prices raises the price of CO2 emissions; (iii) a positive … clear positive effect of the coal prices on the CO2 allowance prices when the electricity prices are excluded from the VAR … energy price shocks have a persistent impact on the CO2 allowance prices, with the largest effect occurring six months after …