Perdiguero, Jordi2014-10-232014-10-2320102014-1254https://hdl.handle.net/2445/58979The analysis of price asymmetries in the gasoline market is one of the most studied in the energy economics literature. Nevertheless, the great variability of results makes it very difficult to extract conclusive results on the existence or not of asymmetries. This paper shows through a meta-analysis approach how the industry segment analysed, the quality and quantity of data, the estimator and the model used may explain this heterogeneity of results.34 p.application/pdfengcc-by-nc-nd, (c) Perdiguero et al., 2010http://creativecommons.org/licenses/by-nc-nd/3.0/Indústria petrolieraGasolinaAnàlisi de regressióPetroleum industry and tradeGasolineRegression analysisinfo:eu-repo/semantics/workingPaper2014-10-23info:eu-repo/semantics/openAccess