Traders at a stock exchange notice that five traders on the floor seem to be selling more yen and purchasing more euros because of an expected decline in the yen. As a result, all other traders started to do the same. This is an example of the ________ that creates a self-fulfilling prophecy when the yen does decline in value.

Multiple Choice

• difference principle

• tragedy of the commons

• arbitration process

• bandwagon effect

• spot exchange rate