Female desirability begins to be constructed in terms of irrational fashion and the high heel - once separated from its original function of horseback riding - becomes a primary example of impractical dress.

BBC: Why did men stop wearing high heels?

The global economy is a complex system and is a function of millions of individual actors making decisions for both rational and irrational reasons.

FORBES: The Bailout Mentality -- The REAL "New Normal"