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Kay [80]
3 years ago
7

The price of notebooks is $5, and at that price consumers demand 12 notebooks. If the price rises to $7, consumers will decrease

quantity demanded to 4 notebooks. Using the midpoint formula, what is the price elasticity of demand for notebooks?
Business
1 answer:
Vitek1552 [10]3 years ago
7 0

Answer:

3

Explanation:

We are asked to use the midpoint formula.

Here, instead of dividing the change in values by the old value as in the normal elasticity calculation, we use the average of the two.

Mathematically:

Price elasticity of demand according to midpoint formula is :

{Q2 - Q1 / (Q2 + Q1) ÷ 2] × 100%} ÷ {[P2 - P1/ (P2 + P1) ÷ 2] × 100}

Price changed from 5 to 7. The midpoint of 5 and 7 is the average = (5+7)/2 = 6

% change in price in this case is (7-5)/6 * 100 = 100/3 = 33.33%

% change in quantity:

We first find the average = (12+4)/2 = 16/2 = 8

% change = (4-12)/8 * 100 = -100%

The elasticity of demand is thus -100/33.33 = 3

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D. Buyer

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"Directing" seems to be the right response.

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2 years ago
suppose the real rate is 3.4 percent and the inflation rate is 5 percent. what rate would you expect to see on a treasury bill?
Ghella [55]

the rate expected on the treasury bill is 8.57%. enter answer as a percent rounded to 2 decimal places.

The real rate is 2.1 percent

The inflation rate is 3.4 percent

To find the rate which is to be expected on a treasury bill we have to apply fisher's equation

1+R= (1+r)(1+h)

Therefore, the rate on the treasury bill can be calculated as follows

1+R= (1+r)(1+h)

r= 3.4%

= 3.4/100

= 0.034

h= 5%

= 5/100

= 0.05

R= (1+r)(1+h)-1

= (1+0.034)(1+0.05)-1

= (1.034×1.05)-1

= 1.0857-1

= 0.0857×100

= 8.57%

A Treasury invoice (T-invoice) is a brief-term debt obligation backed via the U.S. Treasury Department with an adulthood of one year or less. Treasury bills are generally bought in denominations of $1,000 even as a few can attain a denomination of $five million.

let's say an investor purchases a par price of $1,000 T-bill with an aggressive bid of $950. whilst the T-invoice matures, the investor is paid $1,000, thereby income $50 in interest on the funding.

U.S. Treasury bills are auctioned on a regular schedule. individuals should purchase T-payments from the government using the TreasuryDirect internet site. it is free to register, and it'll function like a brokerage account that holds your bonds. in addition to bidding on new troubles, You also can install reinvestments into securities of an equal type and time period. as instance, you can use the proceeds from a maturing fifty-two-week invoice to shopping for some other fifty-two-week invoice. sure brokerage corporations can also permit buying and selling in U.S. Treasuries.

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The home loan must be repaid at a real interest rate of 3%; (8.5%-5.5%=3%).

<h3>Real interest rate </h3>

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