Answer:
A. double
Explanation:
Rule 70 is used to calculate the numbers of years it takes for an investment or variable to double in value given a certain growth rate. In this case, the variable is prices and the growth rate is inflation rate. It is calculated by dividing number 70 by inflation rate.
For example;
Assume inflation rate is 6%, the prices will double in ; 70/6 = 11.7 years
And if inflation is 2%, the prices will double in 70/2 = 35 years
Answer:
microeconomics: The study of the behavior of individual households and firms in making decisions on the allocation of limited resources. Macroeconomics: The study of the performance, structure, behavior, and decision-making of an economy as a whole, rather than individual markets.
Explanation:
The four-firm concentration ratio is a term used to refer to the market share of the four largest firms. In this given example, the total number of output every year is 100 watches per year. Then, 90 of which are coming from the four largest firm. Thus, the four-firm concentration ratio is equal to 90%.
Answer:
If Jeff's wage rate rises, he decides to work more hours. From this, we can infer that for Jeff, the substitution effect is greater than the income effect - option C.
Explanation:
The substitution effect is stronger than the income effect in a case whereby the supply of labor increases as the wage rate increases .
On the other hand, when the supply of labor decreases as the wage rate increases, then the income effect is stronger than the substitution effect.
With regards to the scenario given in the question - with an increase in the wage rate, Jeff has decided to work more hours.
Thus, in the given case, it can be inferred that for Jeff, the substitution effect is greater than the income effect.
Therefore, the correct answer is option C.
