A) Healthy foods, B) Less healthy foods, C) Average of healthy and less healthy food, D) Healthy beverages, E) Less healthy beverages, and F) Average of healthy and less healthy beverages. Prices were obtained from those used to estimate the Consumer Price Index. The average price trend was estimated with a linear regression with the log(price) as the dependent variable and time (years 2011–2018) as the independent variable. MXN is Mexican pesos (~0.05 USD)