Taking Our MedicineThe bad economics of switching health-care plans.
Posted Friday, Sept. 7, 2007, at 7:29 AM ET
In the long-simmering argument over what's wrong with American health care, recent polls show that many people blame our market-based system of private health insurance. Private insurance companies are faulted for, among other things, failing to do enough to prevent disease. They have no incentive to do so, argue advocates for reform, ranging from Michael Moore in Sicko to some of the current presidential candidates. And yet if preventive measures today result in savings on treatment tomorrow, then what's good medicine should also be good business.
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StumbleUponDiabetes management is a case in point. If they get help early on in managing blood-sugar levels, diabetics can stave off later medical complications that may result in expensive hospital stays. Yet many of these preventive measures aren't covered or encouraged by insurers. Instead, patients are forced to haggle over reimbursement for insulin pumps, and most are rationed only four test strips per day to monitor their blood sugar (sometimes enough, but often not). If better access to insulin pumps and blood-sugar monitoring will save money in the long run, why are insurers so miserly with their diabetes customers?
A recent study (not yet published) by researchers from Case Western Reserve and Carnegie Mellon University explains that the culprit in poor diabetes management—and the lack of preventive care in general—may be the very high rate at which Americans switch among insurance plans. It takes about a decade for insurers to recoup their investment in early diabetes treatment, and by then odds are that their customer has moved on to another health plan. Alas, a lot of this turnover may be built in to the way Americans get health insurance. And it's the doing not of individual patients so much as their employers, who are always on the lookout to switch plans for lower-cost coverage.
How often do Americans switch plans? Using data from the Community Tracking Study, a national household survey on health-care delivery, the authors estimate that 20 percent of policyholders switch insurers each year. Based on more-detailed data from a large regional insurer, they calculate that annual turnover may run as high as 30 percent, far too high to make back the cost of pre-emptive diabetes care, or subsidized gym memberships, or other front-loaded investments in good health.
High turnover of insurance plans isn't news to health-care providers. With coverage tied to an employer (or a spouse's employer), every time someone gets married, divorced, or moves to a new job, odds are he'll switch to a new insurance plan. But the five economists who conducted the new study show that this accounts for only half of all turnover—a surprisingly small share. The rest comes from entire employer groups switching among insurers.
Explaining the promiscuous relationship between employers and their health insurance providers presents a challenge to economic theory. Lots of insurance companies are out there vying for employers' business, and in that competitive economic landscape we would expect the "law of one price" to prevail. That is, all insurance companies should provide the same low-priced health coverage. If prices go up, insurers would be expected to undercut one another in an attempt to steal customers, driving prices back down.
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Remarks from the Fray:
"Despite recent advancements in medical science, the mortality rate remains stubbornly fixed at 100%"
If a person has diabetes, and is given proper preventative treatment, the argument here is that that person can be removed from the list of individuals who will eventually need major medical care at some point.
Unfortunately, this is not the case. Ignoring accidental death, homicide, and suicide, everyone will eventually get sick and die. Thus the individuals receiving preventative care can only be removed from the list of individuals likely to have major complications stemming directly from their diabetes. Thus, one day when the big C rolls around, or heart disease, or whatever else strikes the unfortunate patient, major medical bills will eventually ensue. This is the case for EVERY individual! The major medical bills are never avoided.
So the real question is this: Given that everyone will eventually have major medical expenses, is it profitable for the HMO to provide preventative care in the interim? In other words, can the HMO still profit from that individual while paying for preventative care? If the answer is no, then the solution for the HMO is to withhold that care and either force them to switch or let them die sooner rather than later. If the answer is yes, then it's a dilemma indeed.
--dinosaur_dan
(To reply, click here.)
I didn't realize this was news; it's considered a truism in the healthcare insurance industry that you get about 50% turnover every two years. with those kind of numbers, it's in fact to the benefit of the companies that they Do the Right Thing and spend money on disease management programs for patients who will not be members of the same company when the savings or lack of same kick in; quite likely they will be Medicare members.
But that costs money, and as the article points out, employers choose the plan, and they're not as generous in terms of spending extra to provide for the health of employees a long time after they don't work here anymore. So, the market inexorably squeezes the "good" insurers and feeds the "irresponsible" insurers.
--gzuckier
(To reply, click here.)
The ability to change health-care providers is essential for market competition (just as you can change grocery stores or brands of cereal). To say that somehow this is undermining the market is contradictory--it is the expression of the market.
Now, just because private insurers are not interested in my health per se does not necessarily mean the market will not work. After all, the genius of the "invisible hand" is that even though, say, milk farmers do not care per se whether I like their milk (they are in it for the profit, too) the profit motive drives them to provide stuff I ultimately like.
So, the question remains, why does the invisible hand not seem to work in the health-care sector?
Whatever that reason is, I'm skeptical that the provision of a not-very-attractive (otherwise, everyone would join!) government plan will change much. Seems little more than wishful thinking.
--lloyd667
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The author assumes that making a radical switch to the sort of universal health care systems provided for in Canada and Western Europe is a non-starter, because powerful factions will resist it. So, he reasonably suggests, let's tinker with it. But does tinkering ever work?
The American Revolution wasn't an exercise in tinkering. The adoption of our Constitution wasn't an exercise in tinkering. The creation of Social Security wasn't an exercise in tinkering. The Civil Rights movement wasn't an exercise in tinkering.
Just because there are powerful interests arrayed against radical change isn't a persuasive argument for not working to achieve such radical change. Do the naysayers have a hotline to the holy?
My hunch -- the reason Hillarycare failed in '94 is that the Clinton administration assumed the public wouldn't buy going for broke so they decided to tinker, and they spent so much time tinkering with themselves that they devised a system that could be easily ridiculed.
Better a bare-knuckle fight with the insurance companies. You could easily peel off most of the opposition of their employees by offering a generous two-year buyout while they sought other work. How many of them really aspire to have the words etched on their gravestones: I denied benefits?
Most doctors would be delighted not to have to battle with insurance companies to approve a treatment.
Keep it simple and sell, sell, sell.
--revrick
(To reply, click here.)
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