INFJs tend to see helping others as their purpose in life, but while people with this personality type can be found engaging rescue efforts and doing charity work, their real passion is to get to the heart of the issue so that people need not be rescued at all.
Cross elasticity of demand Cross elasticity of demand (XED) is the responsiveness of demand for one product to a change in the price of another product. Many products are related, and XED indicates just how they are related.
Cross Price elasticity of demand = % change in quantity of A demanded / % change in price of B What does a positive cross-price elasticity of demand mean? A positive cross-price elasticity of demand means that the two involved goods are substitutes What does a negative cross-price elasticity of demand mean? A negative cross-price elasticity of demand means that the two involved goods are complements. What is the income elasticity of demand? Income elasticity of demand = the % in quantity of a good demanded when a consumer's