Answer:
Select the answer that best describes the strategies in this game.
- Both companies dominant strategy is to add the train.
Does a Nash equilibrium exist in this game?
- A Nash equilibrium exists where both companies add a train. (Since I'm not sure how your matrix is set up I do not know the specific location).
Explanation:
we can prepare a matrix to determine the best strategy:
Swiss Rails
add train do not add train
$1,500 / $2,000 /
add train $4,000 $7,500
EuroRail
do not add train $4,000 / $3,000 /
$2,000 $3,000
Swiss Rails' dominant strategy is to add the train = $1,500 + $4,000 = $5,500. The additional revenue generated by not adding = $5,000.
EuroRail's dominant strategy is to add the train = $4,000 + $7,500 = $11,500. The additional revenue generated by not adding = $5,000.
A Nash equilibrium exists because both companies' dominant strategy is to add a train.
Answer:
The correct answer is letter "B": attention.
Explanation:
Attention is the mental activity by which individuals focus their attention on a given subject they are dealing with. By doing this, people leave behind any other situation around to concentrate only on the task they are given. This scenario takes place in complicated exercises that push people's knowledge to the limit or when the exercise is of interest or important for the individual.
None of the above. The Flu Trends model was based on Goo-gle search data.
<h3>Goo-gle Flu Trends and the Power of Big Data</h3>
In 2009, Goo-gle launched a new service called Goo-gle Flu Trends. The service used data from Goo-gle searches to estimate the level of flu activity in different areas of the United States. The results were pretty accurate - in some cases, Goo-gle Flu Trends was able to detect flu outbreaks before government health agencies did.
Goo-gle Flu Trends was a great example of the power of big data. By analyzing a large dataset, Goo-gle was able to find patterns that would have been otherwise undetectable. And because Goo-gle has so much data, its findings were often more accurate than those of government health agencies.
Unfortunately, Goo-gle Flu Trends was discontinued in 2015. But its legacy lives on - other companies are now using big data to detect disease outbreaks, and the field of data science is only getting more important.
Learn more about trends models:
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The real interest rate tells you how fast the purchasing power of your bank account rises over time.
<h3>What is meant by the real interest rate?</h3>
- When a borrower pays back a loan with interest, the lender obtains a gain in purchasing power that is expressed as a percentage.
- In the previous illustration, the lender made $8 on the $100 loan, or 8%.
<h3>What is real and nominal interest rate?</h3>
- The real rate of a bond or loan is determined by adjusting a real interest rate to account for the impacts of inflation.
- The interest rate before accounting for inflation is referred to as a nominal interest rate.
<h3>Why real interest rate is important?</h3>
- Real interest rates are the main concern of economists.
- Investors may be forced to take on greater risk or withdraw entirely depending on the real rate.
- Without ever taking a dollar, it can drain your savings.
- Every central bank in the world has it on their radar.
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In general, it is true that if the frequency is higher, then you make more money. For example, suppose you have a capital 1$ and the interest rate can be either 50% compunded annually or 25% compounded semiannually (same total interest in a year, different compounding rate). In the first case you get 1.5$ back at the end of the year, while in the second case after 1 semester you have 1.25$. After 2 semesters, you have 1.56$. You cannot make infinite money this way though; you can at most gain a factor of 2.7 by reducing the intervals of compounding.
The correct answer is the highest frequency, namely when the interest is compounded as frequently as possible (as long as the total interest rate is the same).
