If the price of petrol increases from 70 cents to 77 cents per litre, and as a result the quantity demanded decreases from 1000 to 995 litres, calculate the price elasticity of demand.

Suppose the cross-price elasticity of café latte to the price of milk is -0.6. If the price ofmilk rises by 20%, what happens to the quantity of lattes demanded? What can you say aboutthe relationship of these two goods?

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O the producer should raise the price, but not as high as it was, to increase total revenue. Question 2 3 pts Assume that the price elasticity of demand is 0.20. Given a 10 percent increase in price, we will see a 2 percent decrease in the quantity demanded. O2 percent increase in the quantity demanded. O20 percent decrease in the quantity demanded. O 20 percent increase in the quantity demanded. Question 3 3 pts

1. Calculate the Price elasticity of demand, & for the following examples: a) Demand is given by Q = 50 – P at the price of $10. b) Demand is given by Q= 100 - P, at the price of $50. %3D c) Demand is given by Q= 25 - .25P, at the price of $40. d) Demand is given by Q = 20 - .1P, at the price of $80. e) Demand is given by Q = 60 – 1/3P, at the price of $60.

10. Problems and Applications Q10 Consider public policy aimed at smoking. Studies indicate that the price elasticity of demand for cigarettes is about 0.2. If a pack of cigarettes currently costs $5 and the government wants to reduce smoking by 10%, it should increase the price by If the government permanently increases the price of cigarettes, the effect on smoking 1 year from now will be from now. Studies also find that teenagers have a higher price elasticity of demand than do adults. Which of the following statements are consistent with this result? Check all that apply. 00 Adults are more likely to be addicted to cigarettes. smaller Teenagers do not have as much income as adults, so they are more price sensitive. larger It is legal for adults to consume alcohol, so many choose to spend their money on that good rather than cigarettes. % than the effect 5 years