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The Price of Marriage

When my wife and I got married in 1966 in Massachusetts, we had to take blood tests to make sure we weren’t syphilitic. (We weren’t.)
In 1980, most states required such tests, but today only two do. Such tests essentially increase the price of getting married, since they raise the time and money price of a marriage license. A very neat new study allows one to use the differential timing of the repeal of blood-test laws to infer what the demand curve for marriage licenses looks like as the implied price decreases.
The paper shows that abolishing blood tests increased the number of marriage licenses issued by 6 percent, although half that change simply reflects people no longer crossing state lines to avoid the cost of the blood test. While no longer relevant today, one might think that raising the price of marriage licenses could have the beneficial effect of deterring spur-of-the-moment marriages. Of course, like so many restrictions, it might also have a negative unintended consequence: it might increase the number of out-of-wedlock births.