Table 4.2
How the Castaways Gain from Trade
Without Trade
With Trade
Gains from Trade
Production
Consumption
Production
Consumption
Tom
Fish
28
28
40
30
+2
Coconuts
9
9
0
10
+1
Hank
Fish
6
6
0
10
+4
Coconuts
8
8
20
10
+2