In absence of insurance contracts to share risk, public information is a double-edged sword. On the one hand, it empowers self-insurance as agents better react to shocks, reducing risk. On the other hand, it weakens market-insurance as common knowledge of shocks restricts trading risk. We embody...

We provide a new theory of expectations-driven business cycles in which consumers' learning from prices dramatically alters the effects of aggregate shocks. Learning from prices causes changes in aggregate productivity to shift aggregate beliefs, generating positive price-quantity comovement....

Monetary policy communication is particularly important during unconventional times, because high uncertainty about the economy, the introduction of new policy tools and possible limits to the central bank 's toolkit could hamper the predictability of policy actions. We study how monetary policy...