What happened was that for every $100 of money, by which I mean the cash that people keep in their pockets, and the deposits they have in the bank, for every $100 of money that there was in 1929, by 1933 there was only $67. The Federal Reserve allowed the quantity of money to decline by a third. While, at all times, it had the possibilities and the power of preventing that from happening.
Milton FriedmanThe existence of a free market does not of course eliminate the need for government. On the contrary, government is essential both as a forum for determining the "rule of the game" and as an umpire to interpret and enforce the rules decided on.
Milton FriedmanOn aging societies, there is no reason why a country that has a lot of old people can't be prosperous if, during their working lives, individuals provide for their retirement.
Milton Friedman