When indexation is endogenous price level targeting slightly adds to economic stability, contrary to widespread fears to the contrary. The aggregate supply curve flattens and the aggregate demand curve steepens, increasing stability in the face of supply shocks.

Macro models generally assume away heterogeneous welfare in assessing policies. We investigate here within two aggregative models ó one with a representative agent, the other a long-used forecasting model of the UK ó whether allowing for di§erences in welfare functions (speciÖcally between...