Economists typically rely on unemployment and inflation rates to gauge how consumers feel about the economy. This column examines why consumer sentiment in the US remained depressed in 2023 despite low unemployment and falling inflation, and finds that increasing borrowing costs can explain much of this gap. The cost of money is not included in traditional price indexes, indicating a disconnect between the measures favoured by economists and the effective costs borne by consumers. The authors develop alternative measures of inflation that include borrowing costs and can account for almost three quarters of the gap in US consumer sentiment in 2023.
Americans were miserable in 2023. The University of Michigan’s consumer sentiment index sat one standard deviation below its historical average in December. This happened while inflation declined significantly over the year, and the unemployment rate remained low, which would traditionally have presaged an uptick in sentiment (Figure 1A). Instead, there was a two standard deviation gap between predicted and actual consumer sentiment. Economists, the authors included, raced to find reasons for this discrepancy. Explanations for this anomaly have ranged broadly from arguments about the lagged effects of inflation to suspicions that partisanship and ‘vibes’ lay behind this startling gap (e.g. Cummings and Mahoney, 2023a). 1 Others have highlighted the importance of ‘salient prices’ – especially grocery and gasoline prices, which behaved erratically over the Covid era – to explain consumers’ disappointment with the recent positive economic numbers. 2 Many of these hypotheses and others have been absorbed into the ‘referred pain’ hypothesis, which suggests that non-economic concerns may now drive economic sentiment.
In recent work (Bolhuis et al., 2024), we argue that many of the recent explanations overlook a crucial mechanism that was better appreciated by economists and policymakers in the past: increases in the cost of money. Wright Patman, the long-serving Chairman of the House Committee on Banking and Currency, inveighed against the policy of “fight[ing] inflation by raising interest rates. Throwing gasoline on a fire to put out the flames would be just as logical.” 3 Patman was mostly wrong, since the Federal Reserve has historically been effective using interest rate policy to lower inflation, albeit with long and variable lags. However, he did have a better grasp on one aspect of monetary policy than modern economists: consumers consider the cost of money part of the cost of living.
Thus, last year as interest rates jumped to 20-year highs, with the mortgage payments, car payments, and other credit payments required to finance everyday purchases rising substantially, consumers felt the financial squeeze. In the US, home prices are up almost 50% since the start of the pandemic, while the 30-year mortgage rate has tripled since the historic lows of 2021. Consequently, the interest payment on a new 30-year mortgage for the average house has increased more than threefold since 2021, and the payment on a new car loan has increased more than 80% since the start of the pandemic. As a result, the interest payments made by households grew by about 30% in 2023, the fastest growth rate on record (Figure 5A).
None of these increases, however, enter directly into the US Consumer Price Index (CPI). This was not always the case. When Arthur Okun created his ‘misery index’ in the 1970s (e.g. Okun and Perry 1978), adding CPI inflation to the unemployment rate as the measurement of consumers’ economic wellbeing, mortgage rates and car financing rates were included in the CPI. These were removed in 1983 and 1998, respectively, meaning that today’s misery index is missing a key component of consumer spending. Acknowledging this gap is crucial to understanding the current state of the American consumer.
The variation in the current University of Michigan Index of Consumer Sentiment, which cannot be explained by inflation and unemployment, has historically shown a strong correlation with proxies for the growth of consumer borrowing costs, and the willingness of banks to extend consumer installment loans. We grouped together secondary questions in the University of Michigan’s survey into two principal components: concerns about income and concerns about the cost of living (Figure 1B). 4 The first principal component, estimated on pre-Covid data only, captures concerns over incomes. It is currently at a low level, comparable to 2019. Concerns over income are thus consistent with the current environment of low unemployment and cannot explain the consumer anomaly.
Figure 1
The second principal component captures concerns over the cost of living. It is strongly correlated with headline and core inflation, peaking during the inflationary cycle of the early 1980s, the early 1990s, the late 2010s, and the recent post-Covid period. The residual variation in the second principal component that cannot be explained by variation in official inflation has increased sharply during this cycle, however. This residual variation correlates strongly with both the real growth of interest expenses for mortgages and the percentage of banks reporting increased willingness to make consumer installment loans (Figure 2A). These results indicate that the gap between consumers’ level of concern and official inflation rates may be explained by the exclusion of the cost of money from official measures. 5
Figure 2
Additionally, we show that the other questions in the survey that provide direct evidence that the concerns of consumers about borrowing costs are at historic highs, surpassed only by the Volcker era. We construct a Cost of Money Index which summarises the variation in the answers to questions on the borrowing costs for durables, vehicles, and homes (Figure 2B). 6 Concerns over the level of interest rates show two clear peaks. The first is during the Volcker era, when the Federal Funds rate and mortgage rates exceeded 15%. Concerns dropped sharply after the Fed eased policy in 1982. We are currently experiencing the second large peak in consumer concerns over the level of interest rates. 7 The Fed has paused tightening and long yields seem to have peaked, and so the level of concern has reached a plateau – but it has not yet reversed.
In our paper, we discuss alternative CPI measures that explicitly incorporate the cost of money. We explain the methodology the Bureau of Labor Statistics (BLS) used historically to calculate the CPI measures for housing, which included a measure of the cost of homeownership which reflected mortgage payments. The current methodology relies solely on the rental market to impute the change in the price of owners’ equivalent rent (Bolhuis et al. 2023). We also discuss the market for auto loans and personal interest payments in consumption to propose proxies that better reflect the actual costs borne by consumers.
Having made these points, we then present alternative CPI measures that reflect mortgage interest payments, personal interest payments for car loans and other non-housing consumption, and lease prices for vehicles. Our main alternative inflation measure reconstructs the CPI inflation that formed consumers’ unfavourable impressions of the Carter administration in the late 1970s and expand it using the costs of homeownership and personal interest payments. 8 These alternative measures show both a much higher peak and a continued high level of inflation throughout 2023 (Figure 3).
Figure 3 Official and estimated CPI using pre-1983 housing methods and including personal interest payments, 1972-2023
Finally, we show that using our alternative methodology for CPI inflation does much to resolve the puzzle of continued depressed consumer sentiment in a situation of low unemployment and falling official inflation. Throughout 2023, the consumer sentiment gap after accounting for unemployment, official headline CPI inflation and growth in the US stock market stood at 2.1 standard deviations of consumer sentiment on average (Figure 4A). There has been some discussion, subsequent to the release of our working paper, that the most important factors for consumer sentiment are grocery prices and gasoline prices rather than a measure which incorporates borrowing costs. We find, however, that the gap is nearly unchanged when we include the change in grocery and gasoline prices as additional control variables Using our preferred alternative inflation measure instead of official inflation, the sentiment gap fell to 0.6 standard deviations on average at the end of 2023. Accounting for the costs of homeownership and personal interest payments thus closes more than 70% of the average gap in economic sentiment in 2023 (Figure 4B). We add those variables to our earlier models and find no evidence that these variables do much to explain the gap in predicted sentiment in 2023 (Figure 5B). 9
Figure 4
Figure 5
The gap between economists’ measurements of economic wellbeing and consumer sentiment in 2023 puzzled many. By the middle of last year, commentators were speaking of a ‘vibecession’ – a recession experienced not in rising costs of living or growing unemployment but in ‘vibes’ (Levin 2023). Was consumer sentiment, which should have been high given GDP growth, declining prices, and continued strong employment in 2023, presaging a recession? Would everything turn around if grocery prices and gasoline prices normalised? Our work presents a more tangible explanation for the departure of consumer sentiment from economic ‘fundamentals’: consumers are including the cost of money in their perspective on their economic wellbeing, while economists are not.
We also show that the current gap is not unique to the US or this cycle. Consumers are digesting economic data in a way that is consistent with consumer sentiment during previous bursts of high inflation and increasing interest rates. The inclusion of borrowing costs into an alternative measure of CPI inflation significantly narrows the gap between predicted and actual consumer sentiment by 70%. Cross-country evidence confirms that consumers around the world care about the cost of money. We found little evidence that the US, despite its rising partisanship, social distrust, and large reported levels of overall ‘referred pain’ differs meaningfully from other Western democracies.
After the release of our paper, consumer sentiment has rebounded from its lows. This is consistent with our hypothesis as interest rates have stopped increasing and the market is pricing in interest rate cuts. Our research suggests that these cuts, if and when they come, have large potential for buoying consumer sentiment.
Source : Voxeu
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