In a famous bet known as the Simon-Ehrlich wager, Paul Ehrlich bet that over the course of 10 years, the prices of 5 commodities would be higher than...

In a famous bet known as the Simon-Ehrlich wager, Paul Ehrlich bet that over the course of 10 years, the prices of 5 commodities would be higher than they were at the start of the decade; Julian Simon believed the price of these goods would be lower. The loser had to pay the difference of the price from the starting point. This wager resembles: