By Fabián Medina Sánchez
RIO DE JANEIRO, BRAZIL - (Infobae) The population calls them "Black Sundays". Every Sunday fuel stations in Nicaragua change the prices of their displays. In the past they used to go up or down, according to the behavior of the international hydrocarbons market.
But since 19 weeks ago, fuel prices stopped going down and have only gone up, to become the most expensive in Central America.
None of the commercial reasons given explain these prices, says economist Enrique Saénz who wonders: "How is it that the rest of the countries in the region, which . . .