Compounding. If you compound your interest, then your interest rate will go up, and you get more interest.
It is <span>social-cognitive behavior. </span>
An increase in spending of $25 billion increases real gdp from $600 billion to $700 billion. The marginal propensity to consume must be "4".
<h3>
What do you mean by Marginal Propensity to consume?</h3>
The marginal propensity to consume is refers to as the proportion of any change in income that is spent on consumption.
In economics, this term is used to refer to the measurement made in order to determine consumption when the rent is increased by one unit. This measurement is nothing more than a mathematical relationship to calculate how people invest in consumption or save the income that is increased.
Calculation:

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By earning higher levels of education, students learn skills and are more likely to be employed. In their jobs, they use their skills to provide goods and services to others. The economic concept which is applied in this statement is a positive externality.
<h3>What are skills? </h3>
Skills refer a set of qualities or abilities an individual carries in order to complete the task. These skills represent the expertise of any individual in terms of knowledge and talents.
When these skills are learned along with the higher level of education it creates an add-on for the career. These skills include communication skills, problem-solving skills, critical thinking, leadership qualities, and so on.
Therefore, option E positive externality is the correct option for the given statement.
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