1.

In an economy, a 20 percent increase in investment results in a 100 percent increase in income. Calculate marginal propensity to consume.

Answer»

SOLUTION :MULTIPLIER `= 1/(1-MPC)=100/20=1/(1-MPC)`
`5=1/(1-MPC)`
`5-5 MPC=1`
`5 MPC=5-1=4`
`MPC=4/5 =0.8`


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