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UK M4 Money Supply Growth Slips to 4.3% in May, Signaling Moderating Liquidity
The United Kingdom’s M4 money supply growth eased to 4.3% year-on-year in May, down from a revised 4.5% in April, according to the latest data from the Bank of England. The modest deceleration suggests that the broadest measure of money circulating in the economy is continuing its gradual retreat from the higher growth rates seen during the post-pandemic period.
M4 is the broadest measure of money supply in the UK, encompassing cash, bank deposits, and other liquid financial instruments. A slowdown in M4 growth typically indicates that consumers and businesses are borrowing less or that banks are tightening lending standards. In the current context, the decline from 4.5% to 4.3% is relatively small but consistent with the broader trend of monetary tightening that has been underway since the Bank of England began raising interest rates in late 2021.
Economists watch M4 closely because it often serves as a leading indicator for nominal GDP growth and future inflationary pressures. A sustained slowdown in money supply growth can signal that the central bank’s restrictive policy is gradually working to cool demand, even as inflation remains above the 2% target.
The May reading follows a period where M4 growth had already been declining from a peak of over 13% in early 2021, when pandemic-era stimulus programs were at their height. The current 4.3% rate is still above the pre-pandemic average of around 3-4%, suggesting that monetary conditions remain relatively accommodative by historical standards, even as the Bank of England has held its base rate at 5.25% since August 2023.
It is important to note that M4 data can be volatile month-to-month, partly due to changes in financial sector activity and corporate treasury operations. The April figure was revised down from an initial 4.7% to 4.5%, indicating that the May slowdown may reflect a continuation of the same underlying trend rather than a sudden shift.
For readers trying to gauge where the economy is heading, the M4 slowdown is a moderately positive signal for inflation control. If money supply growth continues to ease, it reduces the risk that excess liquidity will fuel a resurgence in price pressures. However, the Bank of England’s Monetary Policy Committee has emphasized that it needs to see sustained evidence that inflation is under control before considering rate cuts.
Markets are currently pricing in a potential first rate cut in late 2024, but the path remains uncertain. The M4 data alone is unlikely to change that calculus dramatically, but it adds to the mosaic of evidence that the economy is cooling gradually rather than contracting sharply.
The decline in UK M4 money supply growth to 4.3% in May from 4.5% in April is a modest but noteworthy development. It aligns with the broader narrative of monetary tightening gradually filtering through the financial system. While not a dramatic shift, the data provides further evidence that the Bank of England’s restrictive policy stance is having its intended effect of reducing liquidity in the economy, which should help bring inflation back toward target over time.
Q1: What is M4 money supply and why does it matter?
M4 is the broadest measure of money supply in the UK, including cash, bank deposits, and other liquid assets. It matters because changes in M4 growth can signal future trends in spending, borrowing, and inflation.
Q2: Is a 4.3% M4 growth rate high or low historically?
It is moderately above the pre-pandemic average of roughly 3-4%, but significantly below the peak of over 13% seen in 2021. It suggests monetary conditions are still relatively accommodative but tightening.
Q3: How does M4 affect interest rate decisions by the Bank of England?
The Bank of England monitors M4 as one of many indicators. Slower M4 growth can support the case for holding or eventually cutting rates, but the MPC focuses primarily on inflation data, wage growth, and services sector pricing.
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