Think being poor is expensive? You've no idea.
I struggle to make ends meet and as a middle-aged black man who has had his share of health scares, I have struggled for some time. So I deeply appreciated a recent conversation with Stanford economist Xavier Jaravel, who wrote a 2015 paper on retail economics called "Unequal Gains from Product Innovations" that has raised quite a stir in the economics community by exposing how badly the economy undermines people in my income bracket.
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