most-debated impacts is their effect on electricity prices, for which there have been some ex-ante studies, but few ex … prices for 2005–2009 in Spain, to study the effects that the introduction of renewable electricity and cogeneration has had … on wholesale electricity prices. It is particularly interesting to perform this study in Spain where an active system of …

-term elasticities of demand with respect to gasoline prices and income are of paramount interest in this study. In Senegal, rising food … prices, unemployment and shortage of electric supply are always associated with the spiking cost of world oil prices. To … found that short run elasticity is smaller than long-run elasticity and gasoline demand is inelastic with respect to both …

. However, using cointegration techniques, we obtain price elasticities that are 30 to 50% lower. The short run elasticity with … techniques indicate an income elasticity around 0.9. Our results underline the importance of controlling for the expansion of the …

gasohol (mandatory blend of gasoline and ethanol) and ethanol prices operate in a symmetric manner over ethanol demand …