The price elasticity of demand measures the:
Group of answer choices:
A. direction of the shift in the demand curve in response to a market event.
B. magnitude of the response in quantity demanded to a change in price.
C. size of the shortage created by the increase in demand.
D. responsiveness of quantity demanded to a change in income.

When the price of pencils increases from $1.50 to $2.50, there is an increase in quantity demanded of pens from 100 to 150. the cross-price elasticity of demand between pencils and pens is: ?

Ultravision inc. anticipates sales of $280,000 from january through april. materials will represent 50 percent of sales, and because of level production, material purchases will be equal for each month during the four months of january, february, march, and april. materials are paid for one month after the month purchased. materials purchased in december of last year were $24,000 (half of $48,000 in sales). labor costs for each of the four months are slightly different due to a provision in the labor contract in which bonuses are paid in february and april. the labor figures are: january $14,000 february 17,000 march 14,000 april 19,000 fixed overhead is $10,000 per month. prepare a schedule of cash payments for january through april. (assume the $280,000 of sales occur equally over the four months of january through april, i.e. monthly sales = $280,000 / 4.)

You are offered a free ticket to see the chicago cubs play the chicago white sox at wrigley field. assume the ticket has no resale value. willie nelson is performing on the same night, and his concert is your next-best alternative activity. tickets to see willie nelson cost $40. on any given day, you would be willing to pay up to $50 to see and hear willie nelson perform. assume there are no other costs of seeing either event. based on this information, at a minimum, how much would you have to value seeing the cubs play the white sox to accept the ticket and go to the game? a. $0b. $40c. $10d. $50