The Federal Reserve, Bank of Canada, European Central Bank and Bank of Japan meet this week against a difficult backdrop. An energy shock has pushed inflation higher just as households and businesses are contending with expensive borrowing. Economic growth has proved resilient, but the question for policymakers is how secure that resilience really is. There is a strong case for caution before tightening monetary policy further.
The immediate dilemma is familiar. Central banks cannot prevent an oil price shock, but they must guard against its spreading into wages, other prices and inflation expectations. At the same time, higher energy bills reduce spending power and raise costs for businesses. Further increases in interest rates could compound that pressure, even as the effects of earlier tightening are still being felt.
For now, there is little evidence that higher energy prices are feeding into broader inflation. The foundations of demand also deserve closer scrutiny. Government borrowing, rising asset values and investment based on expectations of future returns have all supported spending. Those supports may be less durable than the headline growth figures suggest.
The danger is that policymakers mistake this spending for lasting economic strength. Until productivity gains translate into broader income growth, further tightening risks undermining both today’s demand and the revenues needed to justify tomorrow’s investment. That does not mean central banks should overlook persistent inflation. It does mean they should weigh the evidence for it against the fragility of the growth they are seeking to restrain.
The evidence on inflation Latest data for September show that core CPI inflation, which strips out food and energy, is 2.6 per cent in the United States, 2.5 per cent in the euro area and 2.4 per cent in Japan. None has moved materially higher over the past six months, and the American and Japanese measures are lower than a year ago. So far, the rise in headline US inflation to nearly 4 per cent has not been accompanied by a comparable increase in core inflation.



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