Why insurance markets are a game of cat and mouse

Why is dental insurance so crummy? Why is pet insurance so expensive? Why does your car insurer ask for your credit score? The answer to these questions lies in understanding how insurance works. The authors of 'Risky Business', Amy Finkelstein, co-sceintific director of the Abdul Latif Jameel Poverty Action Lab (J-PAL) North America, Liran Einav and Ray Fisman explore why insurers want to know so much about us and whether we should let them obtain this information.

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