Inflation Is Actually a Lot Higher Than You Think

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But here’s a thought: What if our governments aren’t measuring consumer prices correctly? Is it possible that inflation is actually lot higher?

Covid-19 has overhauled our spending patterns entirely, not least because of social distancing rules. We’re laying out less on transportation, restaurants and hotels, and splurging on food, because — like it or not — we’re all home chefs now. This sudden change can introduce significant biases in the consumer price index, according to a new study from Harvard Business School. 

Statistics bureaus in most countries update their CPI expenditure baskets only once a year, often using lagged data. The U.S. Bureau of Labor Statistics, for instance, revised its weightings last December using information collected a year earlier. As a result, the indexes don’t reflect Covid-19.

In the official gauge, for instance, groceries receive a weight of less than 8%, whereas transportation gets about 15%. But recent data collected from consumers’ credit and debit card transactions show that a more appropriate weighting would be around 11% and 6%, the study’s author, Alberto Cavallo, found. 

As gnarled distribution makes food more expensive, and groceries take up a bigger share of our daily budgets, the inflation we’re feeling is quite a bit higher than the numbers suggest. Meanwhile, cheaper transportation hardly matters, because we’re all staying home. 

The bias in China is harder to measure because the CPI weighting is a state secret. What we do know is that the National Bureau of Statistics tweaks it every year. Bloomberg Intelligence gives us their best estimates: Food may be getting a 20% weight, while transportation and communication has about 14.5%.

Nonetheless, China’s downward bias is likely even more pronounced. Say food returns to its 30% weight from five years ago, a back-of-the-envelope calculation shows that consumer inflation would have hit 4% in July, well above the central bank’s 3% comfort zone. Food prices jumped by 13.2% last month, versus a 4.6% rise in the U.S., because a severe flood disrupted the supply chain. 

This perhaps explains why, even though the dollar has become a less attractive investment vehicle thanks to the U.S. government’s chaotic virus-containment policies, investors aren’t crowding into high-yield emerging-market currencies but opting for gold instead. Nominal rates are falling everywhere, while inflation is ticking up, and who knows what the real interest rates in various nations are. Gold, as I’ve argued, serves as a useful hedge in these extraordinary times. 

Before writing this column, just for a sanity check, I asked my mother about the general cost of living in Shanghai, where I grew up. “Food is getting expensive, and I don’t buy anything else,” she quipped. That summarizes it. Sure, inflation may not show up on news headlines, but we consumers feel it. Bond traders and gold enthusiasts are on to something. 

This column does not necessarily reflect the opinion of the editorial board or Bloomberg LP and its owners.

Shuli Ren is a Bloomberg Opinion columnist covering Asian markets. She previously wrote on markets for Barron’s, following a career as an investment banker, and is a CFA charterholder.


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