Nobody knew what impact they would have on the market with their buying and selling on a large scale.

CNN: Commentary: Is it 1929 all over again?

The Fed banks began buying risky assets on a large scale: longer-dated Treasury paper and mortgage securities.

FORBES: Could A Federal Reserve Bank Go Bust?

Installment buying made its debut on a large scale.

CNN: Commentary: Is it 1929 all over again?

The management company charges a fee for managing the aircraft, but many aircraft owners assert that the discounts they obtain on insurance, fuel and training based on economies of scale and bulk buying power often exceed the fees charged.

FORBES: What's The Best Jet For You? (Part 3)