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.
What Is Price Elasticity of Demand. Price elasticity of demand is the relationship of consumer response to change in price of a product or service. The degree of change along the demand curve relative to the degree of change in price will more clearly show the effect of a price change. The formula, Price Elasticity of Demand = % of change in Quantity Demanded / % of change in Price, provides the change for unit demand for each unit change in price.