15662_5.24_000000412170XSmall

No Free Lunch

by Elaine Schwartz    •    May 24, 2010

In NYC, new pedestrian plazas are easing harried city life. Sitting in the middle of a once busy street where traffic congregated, now, you can relax at a table, drink some coffee and enjoy a sandwich.

The only problem is the opportunity cost. Pedestrian plazas upset former traffic patterns. For certain bus travelers, the new routes add 25% more time for them to get to their destination. Multiply that by hundreds of riders and you get a cost that could be considerable. On the other hand, though, other bus routes actually benefited from their detours and saved riders’ time.

The conclusion? Whether contemplating health care reform, financial regulation, or pedestrian plazas, I hope that legislators will take economics and remain aware of opportunity cost, thinking at the margin, and cost and benefit.

The Economic Lesson

Choosing is refusing. Any decision has an alternative choice being rejected. Optimal decision making involves identifying the best two alternatives, comparing their benefits, and then making a decsiion. In this way, we are minimizing the opportunity cost of all that we decide to do. Whether deciding what to export to other nations or which college to attend, an opportunity cost analysis will maximize efficiency. 

« »