Smog-Eaters

What if someone had invented “smog-eating” concrete roof tiles? And, what if these tiles consumed enough smog to offset one car’s nitrous oxide emissions during one year (10,800 miles of driving)? Telling us that a firm in California has them…

Incentive Matters

Economics always seems to relate to incentives. Whether looking at demand and supply, or health care policy, or international trade, always we can return to how incentives shape our behavior. This takes me to several good incentive stories. An op-ed…