Credit Cards, Data Mining, and Privacy
The New York Times Magazine has an interesting article entitled What Does Your Credit Card Company Know About You? From the article:
Put another way, credit-card companies are becoming much more interested in understanding their customers’ lives and psyches, because, the theory goes, knowing what makes cardholders tick will help firms determine who is a good bet and who should be shown the door as quickly as possible.
Luckily for the industry, small groups of executives at most of the large firms have spent the last decade studying cardholders from almost every angle, and collection agencies have developed more sophisticated dunning techniques. They have sought to draw psychological and behavioral lessons from the enormous amounts of data the credit-card companies collect every day. They’ve run thousands of tests and crunched the numbers on millions of accounts. One result of all that labor is the conversation between Santana — a former bouncer whose higher education consists solely of corporate-sponsored classes like “the Psychology of Collections” — and the man from Massachusetts. When Santana contacted the man last month, he was armed with detailed information about his life and trained in which psychological approaches were most likely to succeed.
The article goes on to say:
The exploration into cardholders’ minds hit a breakthrough in 2002, when J. P. Martin, a math-loving executive at Canadian Tire, decided to analyze almost every piece of information his company had collected from credit-card transactions the previous year. Canadian Tire’s stores sold electronics, sporting equipment, kitchen supplies and automotive goods and issued a credit card that could be used almost anywhere. Martin could often see precisely what cardholders were purchasing, and he discovered that the brands we buy are the windows into our souls — or at least into our willingness to make good on our debts. His data indicated, for instance, that people who bought cheap, generic automotive oil were much more likely to miss a credit-card payment than someone who got the expensive, name-brand stuff. People who bought carbon-monoxide monitors for their homes or those little felt pads that stop chair legs from scratching the floor almost never missed payments. Anyone who purchased a chrome-skull car accessory or a “Mega Thruster Exhaust System” was pretty likely to miss paying his bill eventually.
Martin’s measurements were so precise that he could tell you the “riskiest” drinking establishment in Canada — Sharx Pool Bar in Montreal, where 47 percent of the patrons who used their Canadian Tire card missed four payments over 12 months. He could also tell you the “safest” products — premium birdseed and a device called a “snow roof rake” that homeowners use to remove high-up snowdrifts so they don’t fall on pedestrians.
Testing indicated that Martin’s predictions, when paired with other commonly used data like cardholders’ credit histories and incomes, were often much more precise than what the industry traditionally used to forecast cardholder riskiness.
For more, read the article.