Brazil: e-commerce products' price change before Black Friday 2020
Black Friday took place on November 27. Nine days earlier, on November 18, the average price of an air conditioner on an e-commerce website in Brazil had increased by 15.7 percent compared to the average observed on September 27, exactly two months before 2020's Black Friday. Similarly, prices of water-based air conditioners rose by 14.7 percent. In Brazil, Black Friday precedes the beginning of summer by a maximum of four weeks.
In 2020,