What Is the Combined Effect (Both Income and Substitution)of a Wage

Multiple Choice

What is the combined effect (both income and substitution) of a wage increase?

A) The substitution effect always dominates, leading to more work at a higher wage.
B) The income effect always dominates, leading to less work at a higher wage.
C) If the substitution effect outweighs the income effect, the labour supply curve slopes upward, but if the income effect outweighs the substitution effect, the labour supply curve is backward bending.
D) If the substitution effect outweighs the income effect, the labour supply curve is backward bending, but if the income effect outweighs the substitution effect, the labour supply curve slopes upward.