Input: Where does the saying price of tea in china come from?
Output: 

 What is the economic origin of the saying price of tea in china come from? 
 economists, who describe everything economic as affecting everything else, trying to find an expression which denotes the farthest logical connection from their current economic focus, in a sort of butterfly effect.[2] In this way, the price of tea in China was used to denote the farthest possibility.