No. Deductions only reduce your taxable income. Your tax amount equals taxable income times tax rate. Thus, a tax refund increases (or tax liability reduces) by the amount equivalent to an amount of deductions times tax rate.
No. Deductions only reduce your taxable income. Your tax amount equals taxable income times tax rate. Thus, a tax refund increases (or tax liability reduces) by the amount equivalent to an amount of deductions times tax rate.