Listener Questions: Airline tickets, grocery pricing and the Fed

On today's show, you're in charge: We're answering some of our favorite listener questions! You asked about why airline ticket prices change so often, why some items aren't any cheaper to buy in bulk at the supermarket, and why the Federal Reserve's map looks so disproportionate. We're here with answers.

If you have a question of your own, email us at indicator@npr.org!

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