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What Are the Costs of Mask Mandates?
The biggest, most prevalent cost is just it's kind of uncomfortable to wear a mask. I'd be surprised if the risk compensation were enough to outweigh the direct effect. In Bangladesh, we actually found that in the villages where we did the mass promotion, they socially distance more. We think we can separate the effects. That's a separate issue. It might vary across contexts. There's different effects that go in different directions. If you get $3 worth of benefit, maybe you'd just be like, no, I'd rather be comfortable. So it is really important the magnitude of the benefits.