As origens da crise subprime

Da resposta de Raghuram Rajan (U.Chicago) a Paul Krugman a propósito da recensão deste ao livro Fault Lines: How Hidden Fractures Still Threaten the World Economy” de Rajan.

It is true that the European Central Bank was less aggressive, but only slightly so; It brought its key refinancing rate down to only 2 percent while the Fed brought the Fed Funds rate down to 1 percent. Clearly, both rates were low by historical standards. More important, what Krugman does not point out is that different Euro area economies had differing inflation rates, so the real monetary policy rate was substantially different across the Euro area despite a common nominal policy rate. Countries that had strongly negative real policy rates – Ireland and Spain are primary exhibits – had a housing boom and bust, while countries like Germany with low inflation, and therefore higher real policy rates, did not. Indeed, a working paper by two ECB economists, Angela Maddaloni and José-Luis Peydró, indicates that the ultra-low rates by both the ECB and the Fed at this time had a strong causal effect in relaxing banks’ commercial, mortgage, and retail lending standards over this period.

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