This economics question tests your understanding of economic models and analysis. The step-by-step answer below applies the relevant framework and explains the reasoning.
ScanSolve AI Answer
Step 1: In a competitive labour market, the wage rate is determined by the equilibrium price where the demand curve for labour intersects the supply curve of labour. Step 2: Option A (decrease in supply of labour) shifts the supply curve but does not determine the wage rate on its own. Step 3: Option B (increase in demand for labour) shifts the demand curve but does not determine the wage rate on its own. Step 4: Option D (the number of buyers and sellers in the market and the productivity of labour) relates to market structure and factors affecting demand, but not the direct determinant. Step 5: Option C (interplay of demand and supply of labour) correctly describes the interaction that sets the equilibrium wage rate. C