The Bureau of Labor Statistics samples about 80,000 products and services each month to estimate headline inflation. But the published inflation rate, like many other aggregate statistics, masks very different price changes across categories of goods. What information can we glean from a more fine-grained look at price changes across more disaggregated categories of goods and services, or even particular products? EconoFact Chats welcomes back Alberto Cavallo to discuss insights from his anal...