This paper revisits Keynes's liquidity preference theory as it evolved from the Treatise on Money to The General Theory and after, with a view of assessing the theory's ongoing relevance and applicability to issues of both monetary theory and policy. Contrary to the neoclassical "special case"...

The paper examines the transmission mechanism of monetary policy in an open economy with and without a binding zero bound on nominal interest rates. In particular, a foolproof way of escaping from a liquidity trap is presented, consisting of a price-level target path, a devaluation of the...