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Tuesday, August 4, 2009

Expected Monetary Value (EMV)


EMV is a balance of probability and its impact over the range of possible scenarios. If you have to make a decision between two scenarios, which one will provide the greater potential payoff?

Scenario 1

Best case provides a 20% probability of making $180,000

BC = 20%

X $180,000= $36,000

Worst case provides a 15% probability of loosing [-$20,000]

WC = 15%

X(-$20,000) =(-$3,000)

Most likely case provides a 65% probability of making $ 75,000

MLC = 65%

X $75,000 = $48,750

Total Expected Monetary Value 100% $81,750 

Scenario 2

Best case provides a 15% probability of making $200,000

BC=15%

X $200,000 =$30,000

Worst case provides a 25% probability of making $15,000

WC= 25%

X $ 15,000 = $ 3,750

Most likely case provides a 60% probability of making $45,000

MLC=60%

X $45,000 = $27,000

Total Expected Monetary Value 100% $60,750


Which scenario do you choose? Number one, because it has the highest EMV, or $81,750

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