Answer :
For labour supply to increase by 2%, tax rates have to be reduced by 9.52.
By how much should tax rates be reduced?
The tax elasticity of labor supply measures the sensitivity of labor supply to tax rates. If the tax elasticity of labor supply is less than one, it indicates that the supply in inelastic.
The tax elasticity of labor supply = percentage change in labor supply / percentage change in taxes
0.21 = 2% / percentage change in taxes
Percentage change in taxes = 2% / 0.21 = 9.52
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