Financial valuation uses multiple approaches to estimate the value of a company, whether a shoe factory, a chain of Tex-Mex restaurants, a software company, a bank, or a law firm. The questions are framed around what a firm is worth relative to cash flow, book value, relative to similar assets, recent industry transactions, or others. In real estate, if you’re numbers-obsessed, you judge a home’s value relative to the cost of building a similar home, or relative to rent and income (as The Economist does), or relative to recent transactions (as is used by banks in residential transactions). The more you triangulate this, the more cautious you become, and the less likely you are to fall for bubbles.

In healthcare, where innumeracy and hyperbole seem to be rewarded, at least in the short-term, one link or meme or study tends to push us to whatever narrative we’ve already decided. It’s sometimes not even about getting stuck on one valuation metric; it’s “my cousin used a Fitbit and lost lots of weight so it must work.” One Activity study shows they may lead to weight gain. Steps goal met. Pass the cheesecake. Another that dies hard is that medical bills are the number one cause of personal bankruptcy in America. This article here in the Washington Post has lots of detail and links to other studies.

When people talk about the healthcare system’s causal role in personal bankruptcies, it ranges from a government-is-the-answer 62% down to 4% in a New England Journal of Medicine article. Why the range? Since bankruptcies are almost always multi-causal they have a lot to do with lost income, household balance sheet problems (too much debt), business risks, dental debt, overspending, medical bills, and others issues.

What makes the NEJM study interesting is that “Instead of looking at bankruptcies to see how many involved medical bills, they started with the illness, and asked how much more likely people were to declare bankruptcy after they got sick. That’s a much better way to tease out causation than asking whether someone who just went through a financially ruinous divorce also owed his or her dermatologist thousands of dollars.”

The other thing I had been wondering this week was what a medical bankruptcy plausibility comparable of Canada and the United States would look like. In 2016 Canada had 1.75 personal bankruptcies per 1,000 residents while the United States had 2.45. If medical costs are the leading reason for bankruptcy in the US, why do the US and Canada have similar personal bankruptcy rates? Many want us to be more like Canada. 2.45 is still 40% higher than 1.75, but even when adjusted, assuming all the differences in US-Canada rates could be explained by medical issues, it would be at most, 25% of bankruptcies. 

Riveting actuarial tables for the commercially insured show that fewer than 1 in 100 people have $100,000 medical claims in a given year (with patient share at 0-5% typically), and half have claims lower than their cable bills ($1,000-$1,500/year). 90% of people in the US are insured, and 25% of population, the most vulnerable, has Medicaid, which has ~$0 copays. I don’t pretend big expenses should be ignored. In fact, they are what insurance is for, but when we focus on one outlier and one study, we ignore a lot of what’s going on with the other 99% of the people. We ignore all the other metrics and ways of thinking to test the soundness of an argument. One thing I’d like to see discussed more is the cost of being over-insured, one whose impact is felt like inflation, only slightly at first but disastrously over time if left unhedged. It’s something worthy of every household’s budget discussion. 

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