What is the effect of an increase in the wage rate ?
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Answer: D. will cause a shift in the demand for labour
Explanation
An increase in the wage rate raises the overall cost of employing labor inputs. Higher labor costs alter business operating expenses and influence the demand for workers. Changes in input prices cause firms to adjust their labor utilization and hiring plans. Labor demand represents the quantity of workers employers wish to hire at various wage rates. Marginal productivity theory dictates that wages reflect the value of worker output. Higher wage mandates can trigger technological substitution away from manual labor.
Minimum wage legislation forces employers to evaluate staffing levels and operational efficiency. Labor market adjustments take time as businesses adapt to changing regulatory wage floors. Economic models use labor demand shifts to analyze the broad impacts of wage legislation. Option a incorrectly assumes higher wages always lead to increased employment rather than cutbacks. Option b focuses on elastic labor demand earnings but misses the broader structural demand shift. Option c is false because wage increases mandated by law or markets are entirely legal.
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