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Inessa [10]
2 years ago
8

Research proves that heterogeneous groups are infinitely more productive and creative than homogeneous groups. Describe environm

ents where you find either tremendous diversity and very little diversity. What do you actively do to try to spend time with people who are different from yourself?
Business
1 answer:
exis [7]2 years ago
4 0

Explanation:

Homogeneous groups are those composed of people with the greatest number of similarities possible, such as experiences, educational level, opinions and skills. An environment that can be found in homogeneous groups is in work teams, where the members have educational levels and skills as similar as possible to achieve goals and objectives.

A heterogeneous group, on the other hand, is made up of different people regarding different variables, such as culture, opinions, languages, life experience and several others. This type of group is common to find in higher education institutions.

Research shows that heterogeneous groups are more productive and creative, and this refers to the social plurality in which they are found in this group, since having different types of people with different cultures, experiences and skills, can reinforce the dynamics of the group and the productivity.

It is important for the human being to be in contact with different people, as there is mutual enrichment between the exchange of experiences. Heterogeneous groups are increasingly common in a globalized world, so we must seek to expand the individual view and try to exercise activities where it is possible to contact different people, this increases individual perspectives, knowledge and mutual respect

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Item 15 write a function that represents the situation. find the balance a in the account after the given time period t. $2000 d
slega [8]

fv=pv*(1+r)n^{2}

pv = previous value =2,000

r =rate= .05/4

n= number of periods = 5*4=20

This is the formula.

4 0
3 years ago
How many free credit reports are you legally entitled to each year
Leokris [45]
<span>One from each credit bureau per year, so in total three per year.</span>
8 0
3 years ago
Here are returns and standard deviations for four investments. Return (%) Standard Deviation (%) Treasury bills 4.5 0 Stock P 8.
Jlenok [28]

Answer:

a. Standard deviation of the portfolio = 7.00%

b(i) Standard deviation of the portfolio = 30.00%

b(ii) Standard deviation of the portfolio = 4.00%

b(iii) Standard deviation of the portfolio = 21.40%

Explanation:

Note: This question is not complete. The complete question is therefore provided before answering the question as follows:

Here are returns and standard deviations for four investments.

                                  Return (%)           Standard Deviation (%)

Treasury bills                4.5                                    0

Stock P                          8.0                                   14

Stock Q                        17.0                                  34

Stock R                       21.5                                    26

Calculate the standard deviations of the following portfolios.

a. 50% in Treasury bills, 50% in stock P. (Enter your answer as a percent rounded to 2 decimal places.)

b. 50% each in Q and R, assuming the shares have:

i. perfect positive correlation

ii. perfect negative correlation

iii. no correlation

(Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)

The explanation to the answer is now provided as follows:

a. Calculate the standard deviations of 50% in Treasury bills, 50% in stock P. (Enter your answer as a percent rounded to 2 decimal places.)

Since there is no correlation between Treasury bills and stocks, it therefore implies that the correlation coefficient between the Treasury bills and stock P is zero.

The standard deviation between the Treasury bills and stock P can be calculated by first estimating the variance of their returns using the following formula:

Portfolio return variance = (WT^2 * SDT^2) + (WP^2 * SDP^2) + (2 * WT * SDT * WP * SDP * CFtp) ......................... (1)

Where;

WT = Weight of Stock Treasury bills = 50%

WP = Weight of Stock P = 50%

SDT = Standard deviation of Treasury bills = 0

SDP = Standard deviation of stock P = 14%

CFtp = The correlation coefficient between Treasury bills and stock P = 0.45

Substituting all the values into equation (1), we have:

Portfolio return variance = (50%^2 * 0^2) + (50%^2 * 14%^2) + (2 * 50% * 0 * 50% * 14% * 0) = 0.49%

Standard deviation of the portfolio = (Portfolio return variance)^(1/2) = (0.49%)^(1/2) = (0.49)^0.5 = 7.00%

b. 50% each in Q and R

To calculated the standard deviation 50% each in Q and R, we first estimate the variance using the following formula:

Portfolio return variance = (WQ^2 * SDQ^2) + (WR^2 * SDR^2) + (2 * WQ * SDQ * WR * SDR * CFqr) ......................... (2)

Where;

WQ = Weight of Stock Q = 50%

WR = Weight of Stock R = 50%

SDQ = Standard deviation of stock Q = 34%

SDR = Standard deviation of stock R = 26%

b(i). assuming the shares have perfect positive correlation

This implies that:

CFqr = The correlation coefficient between stocks Q and = 1

Substituting all the values into equation (2), we have:

Portfolio return variance = (50%^2 * 34%^2) + (50%^2 * 26%^2) + (2 * 50% * 34% * 50% * 26% * 1) = 9.00%

Standard deviation of the portfolio = (Portfolio return variance)^(1/2) = (9.00%)^(1/2) = (9.00%)^0.5 = 30.00%

b(ii). assuming the shares have perfect negative correlation

This implies that:

CFqr = The correlation coefficient between stocks Q and = -1

Substituting all the values into equation (2), we have:

Portfolio return variance = (50%^2 * 34%^2) + (50%^2 * 26%^2) + (2 * 50% * 34% * 50% * 26% * (-1)) = 0.16%

Standard deviation of the portfolio = (Portfolio return variance)^(1/2) = (0.16%)^(1/2) = (0.16%)^0.5 = 4.00%

b(iii). assuming the shares have no correlation

This implies that:

CFqr = The correlation coefficient between stocks Q and = 0

Substituting all the values into equation (2), we have:

Portfolio return variance = (50%^2 * 34%^2) + (50%^2 * 26%^2) + (2 * 50% * 34% * 50% * 26% * 0) = 4.58%

Standard deviation of the portfolio = (Portfolio return variance)^(1/2) = (4.58%)^(1/2) = (4.58%)^0.5 = 21.40%

8 0
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.

4 0
3 years ago
Your company may buy a used pick-up for $20,000. During the truck's five year useful life, it is estimated the firm will save $5
777dan777 [17]

Answer:

Please see explanation

Explanation:

The before tax and after tax cash flow calculation can be made through below mentioned model:

                       0                 1             2                 3                 4                   5  

Pick-up cost  (20,000)

Saving to firm               5,000       5,000         5,000          5,000          5,000

Salvage value                                                                                            3,000

Pre tax CF      (20,000) 5,000       5,000        5,000          5,000          8,000

[email protected]%                       (1,750)      (1,750)        (1,750)         (1,750)        (2,800)                    

Tax saving on dep         1,190         1,190          1,190            1,190           1,190

((20,000-3000)/5*35%)

After tax CF ($20,000)  $4,440     $4,440     $4,440        $4,440       $6,390        

4 0
3 years ago
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