A reduction in the cost of living will work like an increase in non-labor income and vice versa. An increase in non-labor responsibilities (such as caring for children or an ill family member) will work like an increased preference for leisure.

   Any change which causes the individual labor supply curve to shift can also change its slope. Any factor which changes tastes concerning work or leisure, or which changes financial circumstances other than a change in the wage will shift and possibly alter the slope of the individual labor supply curve.

Shifts in Individual Labor Supply
ChangeDirectionSupply Shift
Non-Labor IncomeIncreaseBack
Non-Labor IncomeDecreaseOut
Preference For LeisureIncreaseBack
Preference For LeisureDecreaseOut

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