Unique administrative data on a representative population’s cognitive abilities, spending, and financials reveal that consumers at or below median cognitive abilities barely react when their incentives to spend or borrow change, even if they earn high incomes and are financially unconstrained...

Forecast errors for inflation decline monotonically with both verbal and quantitative IQ in a large and representative male population. Within individuals, inflation expectations and perceptions are autocorrelated only for men above the median by IQ (high-IQ men). High-IQ men's forecast...

Many consumers below the top of the distribution of a representative population by cognitive abilities barely react to monetary and fiscal policies that aim to stimulate consumption and borrowing, even when they are financially unconstrained and despite substantial debt capacity. Differences in...

Communication targeting households and firms has become a stand-alone policy tool of many central banks. But which forms of communication, if any, can reach ordinary people and manage their economic expectations effectively? In a large-scale randomized control trial, we show that communication...