Fig. 1
From: Pass-through and competition: the impact of soft drink taxes as seen through Mexican supermarkets
Price change by product type. Price change is plotted as the average price change of every specific product (establishment, brand, and presentation) between monthly prices at a given current year and the monthly price at a previous year. Blue line depicts the difference in this change between 2014 and 2013. In order to calculate the price change for 2012, we include specific product prices for 2011 in the sample