The following policies would bring the economy to potential output is Decrease government spending by $10 billion.
The "Marginal Propensity" to consume is defined as calculate quantification of money that consumers are ready to spend.
The term "Marginal propensity" to consume is term used in economics. It measures monetary value which consumer is willing to spend to buy goods and services instead of saving it.
The "Marginal Propensity" to consume tends to increase economic activities of country by keeping cash flowing and by not keeping it stagnant. It also helps in increasing trade value and quality and cost of products because it increases healthy competition among companies and in which consumers are ultimately benefitted.
Therefore , we can conclude that the correct option is C.
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