fixed effect methods and a difference-in-difference approach, this study investigates the impact of the MTU on the price … margins of gas stations. We find that the MTU fostered a more intense competition, with a reduction in price margins of 1 …

that export quality and export price (the most natural interpretation of UEV) are not merely correlated but that they … terms of theory, we formalize this assumption as a hypothesis of the proportionality of equilibrium prices and equilibrium …