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Oksana_A [137]
3 years ago
5

A natural experiment is a chance occurrence that mimics a randomized controlled trial. In order to analyze causal effects from n

atural experiments, economists make use of a statistical method known as instrumental variables, in which one variable from a natural experiment is used as an instrument for a particular independent variable of interest. Assume the independent variable of interest is x1 and the dependent variable in a regression is y. Which of the following represent necessary characteristics of a suitable instrument?
a. The instrument has at least 200 observations
b. The instrument is correlated with
c. The instrument has a conditional mean of zero
d. The instrument does not directly influence y, except through
Business
1 answer:
babymother [125]3 years ago
4 0

Answer: b. The instrument is correlated with x1.

d. The instrument does not directly influence y, except through x1.

Explanation:

Based on the information given in the question, the necessary characteristics of a suitable instrument include:

• The instrument is correlated with x1.

• The instrument does not directly influence y, except through x1.

Some of the criteria for an instrument variable are the fact that it should have a causal effect on independent variable and also the dependent variable isn't directly affected except through the independent variable which is x1 in this scenario.

Therefore, the correct option are B and D.

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Lauren is the owner of a bakery that earns 0 (zero) economic profit. Last year, her total revenue was $145,000, her rent was $12
kow [346]

Answer: The correct answer is " a. $92,000.".

Explanation: The explicit costs are observable, that is, those that we can easily take into account and decrease our operating result (salaries paid to employees, material costs, taxes, etc.)

So her total explicit cost were: $12 000 + $65 000 + $15 000 = $92 000.

6 0
2 years ago
Power Pro, a leading manufacturer of lawn and garden equipment, releases a new line of cordless, lightweight, electric weed trim
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Answer: Sales Promotion

Explanation: Sales promotion are different forms of sales strategy employed by marketing firms to attract buyers to their products faster.

Sales promotion could include various strategies such as: price discounts, extra goods added to a purchased product and much more.

3 0
3 years ago
Which of the following are the two most important sources of contract law?
nadezda [96]

Answer:

The correct answer is B

Explanation:

Contract Law is the law or an agreement among the private parties establishing the mutual obligations which is enforceable by law. The basic or primary elements are required for the agreement or contract to be legally enforceable agreement are expressed by a acceptance and valid offer, legality, mutual assent and adequate consideration.

The two most vital sources of the contact law are Statutory Law (The Uniform Commercial Code) and the Case law.

6 0
3 years ago
Daniel wanted to start his own small business. After spending his own money on marketing research, Daniel asked his friend Chase
Nuetrik [128]

Given that Daniel spent months writing a business plan, this goes to show that Daniel understands the steps needed to start a small business.

<h3>What is a business plan?</h3>

This is a plan that shows the details of a business company. The document shows the objectives that the company has.

This document also tells how the business plans to go about achieving all the goals that it has set for itself.

Read more on business plans here:brainly.com/question/25311149

6 0
2 years ago
The distribution of income for Dismal is as follows: Number of Families Income 1,000 less than $10,000 2,000 between $10,000 and
RUDIKE [14]

Answer:

The correct answer is:

$20,000 (b.)

Explanation:

In order order to calculate the poverty line for Dismal, we will first of all calculate the total number of families in Dismal as follows:

from lowest to high income = 1,000 + 2,000 + 2,000 + 800 + 200 = 6,000

Next, we are told that the poverty rate = 50% = 0.05

Since the Total families = 6000

Therefore, number of poor families = 50% of 6,000 = 0.05 × 6000 = 3,000

Therefore 3,000 families are poor in Dismal

To determine the poverty line, we will count from the lowest earning families upwards until the 3,000th family. The highest income of the 3,000 families counted forms the poverty line. This is done as follows:

1,000 families = $10,000

2,000 families = $10,000 to $20,000

These two groups make up the first 3000 families, and the highest income in the group is $20,000.

Hence the poverty line of Dismal = $20,000

5 0
2 years ago
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