If government expenditure rises by $27.5 billion and the multiplier in the economy is 2.5, then: a. real GDP falls by $55 billion, and the IS curve shifts to the left.
b. real GDP rises by $27.5 billion, and the IS curve shifts to the right.
c. real GDP rises by $68.75 billion, and the IS curve shifts to the right.
d. real GDP falls by $11 billion, but the IS curve does not shift.

c. real GDP rises by $68.75 billion, and the IS curve shifts to the right.

Explanation:

An increase in the government expenditure will result in the rise of real GDP. This will result in the IS curve to shift to the right. However, in the case of multiplier effect, this occurrence causes a bigger increase in the national income due to the initial injection into the economy.

Therefore, the rise in government expenditure by $27.5 billion will cause real GDP to rise. Ultimately options A and D are eliminated as they mention fall in GDP.

Moreover, since the multiplier in the economy is 2.5, this will increase the government expenditure to $68.75 billion (27.5 billion x 2.5). Hence, option C is correct.

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explanation:

1   all nations face the problem of scarcity because there are limited resources and unlimited wants. nations do not have enough factors of production to produce everything that their population wants. entrepreneurial resources initiate businesses to make new goods and services; labor resources produce goods and services.

2 there are four factors of production: natural resources, labor resources, capital resources, and entrepreneurial resources. natural resources are raw materials from nature that are used to produce goods. trees, water, and grains are natural resources. some natural resources, such as wheat and cattle, are renewable

3 wants

things that you do not need to have in order to survive, but would like to have

needs

things that you must have in order to survive

goods

physical products

services

tasks that a business perform for customers

resources

items that people can use to make or obtain what they need or want

determine

to settle or decide by choice of alternatives or possiblities

4 i really dont know