Fuel demand elasticities in Brazil: A panel data analysis with instrumental variables

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Abstract

The aim of this paper is to provide demand elasticities for the three main fuels used in Brazil: gasoline, ethanol and diesel. We used a panel data approach at municipal level for the period between 2007 and 2016. The innovation in this study is in its introduction of a new instrumental variable for prices, combining three taxes and municipal distance from state capital. The main results are as follows: (i) the gasoline, ethanol and diesel demands are price elastic, meaning that all own-price elasticities are greater than one; (ii) ethanol consumption is more elastic when the CNG price is added as an explanatory variable, but this does not apply to gasoline; (iii) an increase in GDP positively affects the demand for gasoline and diesel (less than proportionally), but does not affect demand for ethanol; (iv) fleet size impacts the consumption of all fuels, except when the CNG price is excluded from the ethanol model; (v) the ethanol-to-gasoline price ratio is a relevant variable for the demand of both gasoline and ethanol.

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Uchôa, F., de Jesus, C. S., & Cardoso, L. C. B. (2020). Fuel demand elasticities in Brazil: A panel data analysis with instrumental variables. International Journal of Energy Economics and Policy, 10(2), 450–457. https://doi.org/10.32479/ijeep.8787

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