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lukranit [14]
3 years ago
7

Dmitri is training for a triathlon, a timed race that combines swimming, biking, and running. Consider the following sentence: B

ecause his pool sessions are helping him swim more quickly, Dmitri plans to reduce by 1 hour per week the time he spends training on the bike and increase by 1 hour the time he spends in the swimming pool; however, his wife says that he should stop doing any biking and running and spend all 20 hours per week in the pool. Which basic principle of individual choice does Dmitri's plan illustrate that his wife's advice does not?
Business
2 answers:
kondaur [170]3 years ago
4 0

Answer:

Decision on the margins

Explanation:

Pool time seems to be having a greater effect at the moment, it makes sense for his to spend a bit more time in the pool and a bit less time on the bike.

However, this does not mean that it makes sense for her to spend all his time in the pool and no time on the bike. If he cut out all training on the bike, the value of a little bit of bike training might be higher than the value of the last hour of pool training. Dimitri does not treat biking versus swimming as an all-or-nothing decision. He makes small changes at the margin in the number of hours spent training for each activity.

Also they both realise that his time is fixed (20hrs) and anytime he wants to spend extra on one activit, is time he cannot spend on another (opportunity cost).

They are both trying to improve Dimitri's total time (exploiting opportunities to makes themselves better off).

An assumption that Dimitri realises that as he spends more time in the pool improving his swim time, his run and cycle times will suffer. As he swims more, his improvement is likely to slow down, while spending less time on cycling and running will cost him progressively more in terms of time.

Conclusion Dimitri is looking at the margins. His wife on the other hand, is not, she is ignoring the interaction, may be forgetting the decreasing improvements in swim and increasing deterioration in the other 2 legs.

belka [17]3 years ago
3 0

Answer:

Decisions are made on the margin.

Explanation:

In order to determine which actions Dimitri should undertake, he must first do a benefit cost analysis. The actions that generate more benefits than costs should be taken. If he want to maximize her benefits from his available resources (training time), he should chose the actions whose marginal benefits exceed their marginal costs.

Dimitri should spend as much time in the pool as possible, as long as it doesn't hurt his total performance including his running and biking performance.

In economics, all our decisions are made in the margin because we only care about the things that we can control and that means current or future events, past events are not controllable. That is why economics always works in the margin, since we must decide on which choice provides the greatest benefit at that moment, not which decision provided the largest benefit in the past.

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Banks pay their customers interest on the money in their accounts for what reason? A. That money earns interest when the bank lo
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Answer:

A. That money earns interest when the bank loans it out.

Explanation:

Banks pay their customers interest on the money in their accounts because that money earns interest when the bank loans it out.

4 0
3 years ago
Suppose you manage a convenience mart and are in charge of ordering products but do not set the price. The home office provides
lakkis [162]

Answer:

c) 10% more peanut butter on the shelves

Explanation:

Since peanut butter has a negative income elasticity of demand (-0.5) with a decrease in income, there should be an increase in the demand. This is usually true for cheaper goods or goods with low added value. The change in demand (D) is represented as follows:

D=20\% * 0 .5\\D=10\%

As a result, you should stock 10% more peanut butter on the shelves.

The answer is c).

5 0
3 years ago
Question. Draw a marginal revenue curve of a perfectly competitive firm and explain why the marginal revenue of a perfectly comp
svp [43]

If AR is constant, MR is equal to AR. Both are indicated by the same horizontal straight line(a situation of perfect competition)

<h3>What is the marginal revenue curve for a perfectly competitive firm?</h3>
  • Marginal revenue for a company with perfect competition is the same as average revenue and pricing.
  • This suggests that at values bigger than the average variable cost, the firm's short-run supply curve is its marginal cost curve.
  • The company closes if the price falls below the average variable cost.

Marginal revenue is the change in total revenue when one more unit of a commodity is sold.

MR= change in TR/change in quantity sold

Average revenue refers to revenue per unit of output.

AR=TR/Q

Relationship between AR and MR:

If AR is constant, MR is equal to AR.

Both are indicated by the same horizontal straight line(a situation of perfect competition)

To learn more about marginal revenue, refer to

brainly.com/question/13444663

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8 0
1 year ago
The state of Indiana charges a 6% sales tax on most consumer goods. Grant purchased a generator for $400 and paid an additional
faltersainse [42]

Answer:

the correct answer is

The $400 retail price of the generator.

good luck

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3 years ago
Jack and Jill have a tenancy in common in an apartment building. After ten years of ownership, Jill dies unexpectedly. On Jill's
Basile [38]
<h2>Jill's interest in the property will: <u>Pass to Jill's heirs </u>(Option B)</h2>

Explanation:

Let us understand the meaning of tenancy: It is the "possession of any property which might be land or building and get connected as tenant".

In contrast, ownership means the property belongs that person alone or in partnership.

Understanding the above terms, We can say, Jack and Jill have been a tenant and after ten years, Jill dies. So the rest of the interest in the property will definitely go to his heirs only.

It cannot be passed to Jack because Jill's interest will not be paid by other person except for Jill's heirs. Jack heirs are no way responsible or own the property of Jack.

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