## page was renamed from EconomicsTerms BRIC:: Brazil, Russia, India, China, and optionally South Africa (BRICS), or Indonesia (BRIICS) cost of acquisition (CAC):: Cost of acquiring a customer, inclusive of advertising, etc. Compensating differential:: Difference between the wage rate and the unpleasantness, risk, or other undesirable attributes of a particular job. Wikipedia: [[https://en.wikipedia.org/wiki/Compensating_differential|Compensating differential]]. GAFA:: Google, Apple, Facebook, and Amazon. Large, public tech companies. keystone markup:: Pricing an item sold in retail for double its cost of manufacture. E.g. pricing a cell phone that costs $200 to make at $400. lifetime value (LTV):: Net profit a customer will yield over the lifetime of the relationship with the customer monopsony:: Opposite of a monopoly, such that there many sellers but few buyers. Buyers market vs. sellers market. NATU:: Netlfix, AirBnb, Tesla, Uber. Large tech companies posed to replace GAFA.