Econometrics and Data Science

In today’s society, massive amounts of data are collected. But how is all that data used? How can a bank efficiently combine econometric models and machine learning methods to predict the expected inflation in a country? Which time series and statistical methods can a supermarket use to forecast the inventory levels of fresh products, such as vegetables and fruits, based on seasonal influences and consumer demand? Additionally, how can a soft drink company make a reliable quantitative analysis of the impact of a television advertisement on the sales of a specific product?