Consider a competitive market for which the quantities demanded and supplied (per year) at various prices are given as follows:
Price (dollars) Demand (millions) Supply (millions)
60 22 14
80 20 16
100 18 18
120 16 20
a. Calculate the price elasticity of demand when the price is $80 and when the price is $100.
b. Calculate the price elasticity of supply when the price is $80 and when the
price is $100.
c. What are the equilibrium price and quantity ?
d. Suppose the government sets a price ceiling of $80. Will there be a shortage,
and if so, how large will it be ?

Abusiness cycle reflects in economic activity, particularly real gdp. the stages of a business cycle

Your parents have accumulated a $170,000 nest egg. they have been planning to use this money to pay college costs to be incurred by you and your sister, courtney. however, courtney has decided to forgo college and start a nail salon. your parents are giving courtney $20,000 to her get started, and they have decided to take year-end vacations costing $8,000 per year for the next four years. use 8 percent as the appropriate interest rate throughout this problem. use appendix a and appendix d for an approximate answer, but calculate your final answer using the formula and financial calculator methods. a. how much money will your parents have at the end of four years to you with graduate school, which you will start then?

Last week paul, ceo of quality furniture in south carolina, traveled to europe to visit customers. while overseas, paul checked his e-mail daily and showed his company's website to customers, explaining how the website will them place orders and receive merchandise more quickly. after visiting the last customer friday morning, paul was able to return to the corporate office in south carolina to meet with his board of directors that night. is the "shrinking" of time and space with air travel and electronic media.