Technological advances in machine learning and artificial intelligence, along with the availability of big data, are rapidly changing our environment, from labor markets and firm organization to security, healthcare, and public policy. These developments have also opened new possibilities for...

Household-level data on consumption expenditure underpin key policy questions, both microeconomic and macroeconomic, including monetary policy, tax policy, social security, and their relation to consumption, savings, and inequality. While the measurement of consumer expenditures at the household...