Intertemporal substitution is at the heart of modern macroeconomics and finance as well as economic policymaking, but a large fraction of a representative population of men – those below the top of the distribution by cognitive abilities (IQ) – do not change their consumption propensities...

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...

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...

We document that a large fraction of a representative population of men—those below the top of the distribution by cognitive abilities (IQ)—barely reacts to measures of monetary and fiscal policy that aim at influencing their leverage and durable spending decisions. To the contrary, high-IQ...