In a Ponzi scheme, a promoter pays back his initial investors with money he has raised from new investors. Eventually, the promoter can no longer find enough new investors to pay off the people who have already put up money, and the scheme collapses.

Microeconomics is the study of how specific choices made by businesses, consumers and governments affect the markets for different goods and services. For example, a microeconomist might examine how price changes affect sales of apples relative to oranges.

Economics pretends to be a science. Its practitioners fill blackboards with equations and clog computers with data. But it is really a faith, or more accurately a set of overlapping and squabbling faiths, each with its own doctrines.

Alex Berenson Quotes