Few economic events have had a more profound or enduring impact than the German hyperinflation of 1923, still remembered popularly as a root cause of Hitler's rise to power. Yet many historians have argued that inflationary policies were, on balance, advantageous to post-1918 Germany, both boosting growth and helping to reduce reparations. The scholarly consensus is that there was no viable alternative to inflation. In Paper and Iron Niall Ferguson...