If a 10% increase in the price of computers leads to a 20% reduction in the quantity demanded, what is the coefficient of demand elasticity? 2. A local government wants to increase bus riders by 20%. Bus service has an elasticity coefficient of .25. Therefore, what must price change in order to increase bus riders? 3. If the coefficient of demand elasticity is 2, a 10% reduction in price will increase the quantity demanded by what percentage?