First-degree Price Discrimination Each output unit is sold at a different price. Price may differ across buyers. It requires that the monopolist can discover the buyer with the highest valuation of its product, the buyer with the next highest valuation and so onFirst-degree Price Discrimination Each output unit is sold at a different price. Price may differ across buyers. It requires that the monopolist can discover the buyer with the highest valuation of its product, the buyer with the next highest valuation, and so on