<em>Price Elasticity of demand </em>is the difference in quantity demanded compared to difference in price. <em>Elastic demand</em> is given change in price causes relatively larger change in the quantity demanded. <em>Non-Elastic demand</em> is given change in price causes relatively smaller change in the quantity demanded.
<em>One can have a strong effect on the demand curve while the other has a lesser effect!</em>
Trends in Latin American population growth over the past 50 years are best described as "increasing" and predominantly in the cities or places with urban reach.
