Answer:
Social Facilitation.
Explanation:
Social facilitation is defined as the improvement in your performance when working with other people than alone.
So How does it Happen?
The theory is that when other's are around, the "Arousal" (or the increase in motivation) is increased and this creates stronger and improved responses from us towards work. (responses with the greatest habit strength)
Answer:
The market that characterizes the industry in which Forey competes is a market where competition is at its greatest possible level and it is a perfectly competitive market and the reason is because its returns decrease with the entering of new firms, also four-firm concentration ratio and Herfindahl Hirschman index are both quite small, so no one has significant market power to set or even influence the market price. In the short-run Forey Inc’s profit will decrease as more and more new firms enter the market and in the long-run Forey Inc will receive only normal (zero) economic profit.
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:

Learn more about Marginal Propensity to consume, refer to the link:
brainly.com/question/19089833
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