The criminal twins are looking for new clothing so that they don’t stand out as easily in the desert. They come across a family’s clothesline and begin changing. The family easily decides that the cost of confronting the twins isn’t worth the benefit of keeping their clothes. Their silence is rewarded because the twins know the benefit of fresh clothes is worth more than the car they were driving. This exchange shows two differ sets of people considering whether benefits outweigh costs.
See More: cost benefit analysis, exchange, tradeoffs