Groupon! Monty Python! Price Discrimination!

On today's Planet Money: Have we got a deal for you!

An entire show about coupons, Groupons, and the economic history of cheapskates.

Act now, and we'll give you 40 minutes worth of economic wisdom in just 25 minutes.

For more: Read our post from this afternoon, "Groupon's Secret: Everybody Has Their Price"

Download the podcast, or subscribe. Music: Sufjan Stevens' "I Walked." Find us: Twitter/ Facebook.