A seller's signal to potential buyers can work well for the seller only when it is
substantially costlier for sellers of high-quality products to send the signal than for sellers of low-quality goods to do so.
substantially costlier for sellers of low-quality products to send the signal than for sellers of high-quality goods to do so.
focused on reinforcing the idea that there are lemons for sale in the market.
focused on reinforcing the idea that there are no lemons for sale in the market.