TOP URGENT 

1. Which of the following statements is false?

	Price elasticity of supply is positive for most products.
	Cross elasticity of demand is positive between complements.
	Price elasticity of demand is negative for most products.

 

2. The concept of opportunity cost helps an economist

	determine consumers' purchasing power
	understand how resources are allocated in an economy.
	determine the causes of inflation.
	understand the causes of a trade deficit.