A thought on Price Discrimination and Wal-Mart

Just finished this previous post on price discrimination, and it triggered a thought.  Economists spend a  lot of time (particularly in a principles course) discussing market structures like monopoly.  We don't spend enough on it's reverse equivalent, monopsony.    In monopsony, there's just one buyer, often inelastic supply, and barriers to entry of new buyers.  In … Continue reading A thought on Price Discrimination and Wal-Mart