"Personal Increasing Returns" is a way to describe goods for which consumers can purchase access to a lower price. An important instance is human capital, where consumers reduce the leisure-opportunity cost of consumption by investing in skills. Another is consumer financial management, which Sala-i-Martin and I studied in this JPE paper about purchasing access to cheaper future consumption. The demand for illegal drugs can also be understood in this way. | Supply and Demand (in that order)
Marshall discusses his Laws of Derived Demand in his Principles of Economics. Specifically, in Chapter VI of Book V.| Supply and Demand (in that order)
U.S. Senators are proposing to put both retail and business-to-business price controls on insulin. The (intended?) result will that be that consumers will pay more, diabetes complications will get worse, and incumbent manufacturers will make more money.| Supply and Demand (in that order)
Trump's CEA showed, based on credit transactions among manufacturers,| Supply and Demand (in that order)