Table :

TABLE 20-1 The Effect of Fair Insurance on the Lee Family’s Income Available for Consumption and Expected Utility

Income in different states of the world

$0 in medical expenses (0.5 probability)

$10,000 in medical expenses (0.5 probability)

Expected value of income available for consumption

Expected utility

Without insurance

$30,000

$20,000

(0.5 × $30,000) + (0.5 × $20,000) = $25,000

(0.5 × 1,080 utils) + (0.5 × 920 utils) = 1,000 utils

With fair insurance

$25,000

$25,000

(0.5 × $25,000) + (0.5 × $25,000) = $25,000

(0.5 × 1,025 utils) + (0.5 × 1,025 utils) = 1,025 utils