Causation

Mechanism: How Increased Productivity Raises the Real Wage

An increase in labor productivity initiates a causal chain that raises the price-setting real wage. Higher productivity leads to a reduction in the firm's marginal cost (MC) of production. Assuming a constant profit markup, the firm then lowers its price (P). With the nominal wage (W) held constant during this price adjustment, the decrease in the price level results in an increase in the real wage (W/P). This process can be summarized as: productivityMCPWP\uparrow \text{productivity} \Rightarrow \downarrow \text{MC} \Rightarrow \downarrow P \Rightarrow \uparrow \frac{W}{P}

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Updated 2025-10-03

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