What are the major determinants of price elasticity of demand? A. Luxuries versus necessities
B. Excise taxes
C. Availability of complementary goods
D. Inferior goods and normal goods
E. Time
F. Proportion of income
G. Substitutability
Use those determinants and your own reasoning in judging whether demand for each of the following products is probably elastic or inelastic
A. Bottled water
B. Toothpaste:
C. Crest toothpaste.
D. Ketchup
E. Diamond bracelets
F. Microsoft's Windows operating

2. you take $100 you had kept under your mattress and deposit it on your bank account. if this $100 stays in the banking system as reserves and if banks hold reserves equal to 10% of deposits, by how much does the total amount of deposits in the banking system increase? by how much does the money supply increase?

Suppose that xtel currently is selling at $40 per share. you buy 500 shares using $15,000 of your own money, borrowing the remainder of the purchase price from your broker. the rate on the margin loan is 8%. a. what is the percentage increase in the net worth of your brokerage account if the price of xtel immediately changes to (a) $44; (b) $40; (c) $36? (leave no cells blank - be certain to enter "0" wherever required. negative values should be indicated by a minus sign. round your answers to 2 decimal places.) b. if the maintenance margin is 25%, how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.) c. how would your answer to requirement 2 would change if you had financed the initial purchase with only $10,000 of your own money? (round your answer to 2 decimal places.) d. what is the rate of return on your margined position (assuming again that you invest $15,000 of your own money) if xtel is selling after one year at (a) $44; (b) $40; (c) $36? (negative values should be indicated by a minus sign. round your answers to 2 decimal places.) e. continue to assume that a year has passed. how low can xtel’s price fall before you get a margin call? (round your answer to 2 decimal places.)

Abank provides its customers mobile applications that significantly simplify traditional banking activities. for example, a customer can use a smartphone to take a picture of a check and electronically deposit into an account. this unique service demonstrates the bank’s desire to practice which one of porter’s strategies?