Implication of the Constant Competition Assumption
In a model where firms set prices as a markup over their costs, a key assumption is that the overall level of market competition does not change when a single firm alters its level of employment. Explain how this assumption directly determines the shape of the curve that shows the real wage offered by firms across all possible levels of employment in the economy.
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In a macroeconomic model where firms determine their product prices by adding a markup to their labor costs, consider a single large firm that decides to significantly expand its operations by hiring thousands of new workers. According to the foundational assumptions of this model regarding the market environment, what is the direct effect of this single firm's expansion on the overall level of competition faced by all firms in the economy?
In the standard price-setting model of an economy, if a single firm goes out of business, the model assumes that the resulting decrease in the number of firms leads to a lower overall level of competition in the product market.
Firm Entry and the Price-Setting Model
Implication of the Constant Competition Assumption
Figure 1.14: The Price-Setting (PS) Curve
Rationale for the Shape of the Price-Setting Curve
The price-setting curve is represented as a horizontal line on a graph of real wage versus employment because the real wage resulting from firms' profit-maximizing decisions is assumed to be independent of the level of ____.