Monetary Ratios in a Modern Regime: Why the Monetary Base still Matters

A recent paper Bank of England paper cast doubt on the ‘textbook’ model of the money multiplier. However, this criticism is inconsistent and misleading. It understates the importance of the central bank's control over the monetary base, and how this influences the money supply. The confusion suggests that it would be more fruitful to conduct analysis using the currency-deposit ratio and reserve-deposit ratio rather than the money multiplier, and evidence from 1998–2013 is provided. This article explains how these ratios depend on the monetary regime, and the distinction between inside and outside money. Although a modern regime alters the way that money creation occurs, the monetary base still matters.