Study of Delaware license plates puts a price tag on social status signalling

The many forms of status signalling know no bounds: cars and handbags for some, exclusive club memberships and flamboyant philanthropy for others. But most of those things have actual, practical value (or at least aesthetic value) beyond their mere status-signalling qualities.

The same is not obviously true of license plates — they have no inherent value aside from their essential licensing function.

Yet in the US state of Delaware, there is a thriving market for license plates. Unlike most other states, license plates in Delaware become the property of the registrant, forever, and can be transferred from one car to the next. They can also legally be transferred (i.e. sold) to a new owner.

A new study published by researchers at Rice University examined this unique market to see how much people will pay for this purest of status symbols — a low-numbered Delaware plate.

Social signalling on the road

These are not your garden-variety vanity plates. In 1941, the state of Delaware revamped its system for issuing the plates. The new system featured consecutively numbered plates beginning with the number 1.

The only difference between the plates is their place in the sequence. Yet people are apparently willing to pay six-figure sums for the lowest-numbered exemplars. And, implicitly, for the privilege of signalling to others that they can afford to do so. In 2008, for example, Delaware license plate number 6 sold at auction for $675,000. A local undertaker, the study explains, even advertises a low-numbered hearse “so that loved ones can go out in style.” In fact, these low-numbered plates are often more valuable than the cars they are affixed to.

Low-numbered plates signal wealth and connections

The researchers examined 831 Delaware license plate sales that took place between 1998 and 2019. Their data set included 36 two-digit plates, 140 three-digit plates, 532 four-digit plates, and 123 of the relatively undesirable five-digit plates.

Single-digit Delaware plates are so rare that the researchers did not have enough data to reliably estimate their prices. But they do mention that anecdotal evidence suggests they sell for “significantly more” than the two-digit plates.

The paper’s first finding, perhaps unsurprisingly, is that the lower-numbered plates fetched the highest prices. The average price for a 2-digit plate was about $212,000, and for a 5-digit plate $870.

The researchers then compared the prices by digit category, i.e. two-digit plates, three-digit plates, etc. Though lower numbers did indeed get higher prices, these prices were “largely driven by the number of digits on the plate, not the number itself.” In other words, the relative price difference between plate numbers 98 and 101 was much greater than the difference between plate numbers 101 and 990.

The average price for a two-digit plate was about ten times higher than a three-digit plate. Likewise, it was about 100 times higher than the price of a four-digit plate.

Club membership as status signalling

The researchers write that this pattern “is consistent with the presence of exclusive clubs where membership is restricted,” in this case the two-digit club, three-digit club, etc. It is also consistent, they write, “with a strong status effect,” where social rank is determined by scarcity of the available spots (or available license plates).

Indeed, they write, “there is very little relation between price and the numerical value” of the plate within each digit category. Within the two-digit plate category, for example, the price difference between two sequential numbers (say 47 and 48) was only about $100. Based on the average price of $212,000, this “is economically insignificant and is also statistically indistinguishable from zero.”

The researchers also found that the demand for Delaware license plates is pretty inelastic. There was very little correlation between stock market prices and the prices of the plates. Likewise, the prices of the plates hardly changed during the 2008 financial crisis.

In total, they estimate the overall value of the 2-digit to 5-digit Delaware plates (that is, numbers 10 to 99,999) at about $227 million. That represents about 0.4% of the state’s GDP.

In closing, they write, “the Delaware market simply allows us to document and calibrate cleanly how much people value their relative position in society.”

You can see pictures of these oddly valuable plates at The Delaware 3000, a site run by historian Jordan Irazbal.

Study: The Value of Social Status
Authors: Alexander W. Butler, Bruce I. Carlin, Alan D. Crane, Boyang Liu, and James P. Weston
Published by: National Bureau of Economic Research
Publication date: October 2020
Photo: by Burst via Pexels

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Originally published at https://www.psychnewsdaily.com on November 22, 2020.

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