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Mariana [72]
3 years ago
10

Imagine an economy in which: (1) pieces of paper called yollars are the only thing that buyers give to sellers when they buy goo

ds and services, so it would be common to use, say, 50 yollars to buy a pair of shoes; (2) prices are posted in terms of yardsticks, so you might walk into a grocery store and see that, today, an apple is worth 2 yardsticks; and (3) yardsticks disintegrate overnight, so no yardstick has any value for more than 24 hours. in this economy,
a. the yardstick is a medium of exchange but it cannot serve as a unit of account.
b. the yardstick is a unit of account but it cannot serve as a store of value.
c. the yardstick is a medium of exchange but it cannot serve as a store of value, and the yollar is a unit of account.
d. the yollar is a unit of account, but it is not a medium of exchange and it is not a liquid asset.
Business
1 answer:
Tomtit [17]3 years ago
4 0
<span>Imagine an economy in which:
(1) pieces of paper called yollars are the only thing that buyers give to sellers when they buy goods and services, so it would be common to use, say, 50 yollars to buy a pair of shoes;
(2) prices are posted in terms of yardsticks, so you might walk into a grocery store and see that, today, an apple is worth 2 yardsticks; and
(3) yardsticks disintegrate overnight, so no yardstick has any value for more than 24 hours.

In this economy, the yardstick is a unit of account but it cannot serve as a store of value.</span>
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A researcher conducts a survey of people who use anxiety medications, recruited through an advertisement in the local paper. the
Darya [45]
<span>The researcher has violated participant confidentiality and has made the validity of the study invalid. The people whose confidentiality was breached should be notified and they should have the right to revoke their information from the study. No one who believes they have participated with confidentiality should be subjected to having others know they were involved if they do not want that.</span><span />
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3 years ago
Suppose you are currently invested 100% in U.S. stocks and you CANNOT short: a.Find the portfolio that maximizes expected return
Volgvan

Answer:

Part a: The portfolio which maximizes the expected return is in the attached file.

Part b:The portfolio's expected rate of return is 11.20% and the weight is 100% for US only.

Explanation:

As the question is incomplete and the data is not available, thus the complete question is found as attached with the solution.

The Sharpe rate is given as

S_a=\frac{E_a-E_r}{\sigma}

Where

  1. E_a is the estimated rate of return for a value
  2. E_r is the risk free rate of return
  3. σ is the standard deviation of the investment.

The portfolio variance is given as

\sigma^2_{portfolio}=\sum_{i}^{n}{\sigma_i^2w_i^2}+\sum_{i}^{n(n-1)/2}{cv_i}

Where

  1. σ is the standard deviation of the investment.
  2. w is the weighted value of the investment
  3. cv is the covariance term

Portfolio standard deviation is given as

\sigma_{portfolio}=\sqrt{\sigma^2_{portfolio}}

Expected rate is given as

E_{rate of return}=\sum_{i=1}^{n}{E_a_i\times w_i}

Now the Sharp value is calculated as above.

Now the values as given in the excel sheet are added in the attached excel sheet,  following formulas are used to calculate various values

Sharpe ratio is calculated using =(B6-J3)/C6

Portfolio variance is calculated using (=B13^2*C6^2+B14^2*C7^2+B15^2*C8^2+B16^2*C9^2+2*B13*B14*C6*C7*D7+2*B13*B15*C6*C8*D8+2*B13*B16*C6*C9*D9+2*B14*B15*C7*C8*E8+2*B14*B16*C7*C9*E9+2*B15*B16*C8*C9*F9)

Portfolio standard deviation is SQRT(Variance)

Expected return is calculated using =B13*B6+B14*B7+B15*B8+B16*B9

Sharpe is calculated using =(B23-$J$3)/B22

Part a:

The portfolio which maximizes the expected return is in the attached file.

Part b:

The portfolio's expected rate of return is 11.20% and the weight is 100% for US only.

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In your own words define ecology and discuss how it relates to child development
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What common flaw has been found in research studies funded by pharmaceutical companies?
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The common flaw that was found in research funded by pharmaceutical companies was a lack of transparency.

<h3 /><h3>Why is transparency needed in the pharmaceutical industry?</h3>

It is essential that there is greater awareness, control and review of pharmaceutical research, as this industry directly impacts the health and quality of life of individuals, and must be an ethical and accessible means to the population.

Therefore, the lack of transparency in the pharmaceutical industry can occur due to centralization and conflict of interests, in addition to bribery and fraud, and must be duly fought by control, legislation and punishment for such actions.

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brainly.com/question/968894

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Dividends to common stockholders are
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