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Savatey [412]
3 years ago
5

State with brief reason whether the following statements are true, false, or uncertain:a. In the presence of heteroscedasticity

OLS estimators are biased as well as inefficient.b. If heteroscedasticity is present, the conventional t and F tests are invalid.c. In the presence of heteroscedasticity the usual OLS method always overestimates the standard errors of estimators.d. If residuals estimated from an OLS regression exhibit a systematic pattern, it means heteroscedasticity is present in the data.e. There is no general test of heteroscedasticity that is free of any assumption about which variable the error term is correlated with.f. If a regression model is mis-specified (e.g., an important variable is omitted), the OLS residuals will show a distinct pattern.g. If a regressor that has nonconstant variance is (incorrectly) omitted from a model, the (OLS) residuals will be heteroscedastic.
Business
1 answer:
timofeeve [1]3 years ago
3 0

Answer:

Explanation:Djrjjrjrhe

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Darnell lives in Philadelphia and runs a business that sells pianos. In an average year, he receives $842,000 from selling piano
Karolina [17]

Answer:

The wholesale cost for the pianos that Darnell pays the manufacturer - explicit cost  

The salary Darnell could earn if he worked as an accountant - implicit cost

The wages and utility bills that Darnell pays - explicit cost  

The rental income Darnell could receive if he chose to rent out his showroom.-implicit cost

Explanation:

Explicit cost includes the amount expended in running the business.

They include rent , salary and cost of raw materials

Explicit cost is used in determining accounting profit

Implicit cost or opportunity cost is the cost of the next best option forgone when one alternative is chosen over other alternatives

Implicit cost is used in determining economic profit

If Darnell didn't use his showroom, he could have rented it out. Renting it out is his next best option that was forgone. Thus, it is an implicit cost

If Darnell didn't start his business, he could have been working as an accountant. The amount he could have earned as an accountant is his implicit cost

7 0
3 years ago
Because of an accident Royce was involved in, his insurance company has increased his annual premium for auto insurance by 5.2%.
lapo4ka [179]

Answer:

D) $571.24

Explanation:

Royce' premiums for the  previous year were:

  • bodily injury $22.50
  • property damage $144.75
  • collision $275.75
  • comprehensive $100

The total premium of the policy was $543

Since the premiums will increase by 5.2%, the new total premium will be = $543 x 1.052 = $571.24

4 0
3 years ago
Read 2 more answers
As technology grows, so does its uses. Companies are finding ways to let their employees manage various parts of their job witho
iVinArrow [24]

Web-based self-service applications are types of applications that allow employees to access certain tasks of a company online, without having to interact with a representative of this company. Most of these websites offer support and immediate access to information.

This saves time and money, because the representative who would normally have to facilitate this work is no longer necessary. Moreover, because this is found online, it is likely that these applications can be accessed 24/7, which means that they also save time.

However, there are some disadvantages for employees too. For example, employees usually need to provide a lot of personal information in order to gain access to such application. Moreover, if they are confused about a particular aspect of it, it can be difficult to get personal help or support.

4 0
3 years ago
Max, a new supervisor at freson inc., is being trained on skills that managers and union leaders require to encourage employee-m
emmainna [20.7K]
The answer would be: Labor relations
Labor relations is an area within the human resources that is created for better interactions between managers and the employees.
This part of training will often emphasizes what things are encouraged to be done to create a mutually beneficial workplace for all members of the company.
4 0
3 years ago
Read 2 more answers
Take Time Corporation will pay a dividend of $4.15 per share next year. The company pledges to increase its dividend by 6.25 per
frozen [14]

stock value = $ 150.91

<u>Explanation:</u>

Stock price = D /(k-g)

The given data is as follows:

D = Dividend = $4.15 , K = required percent = 9% = 0.09 , G = pledged percent = 6.25% = 0.0625

<u>The following formula is used in order to calculate the value of the stock: </u>

Stock value= D/(k-g)

Where: D = dividend, K = required return, g = growth

=4.15 /(0.09-0.0625) =150.91(rounded to the two decimal places)

Hence stock value = $ 150.91

4 0
3 years ago
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