Opportunity cost as the universal lens
Every choice forgoes a next-best alternative that can be priced. The vignettes repeatedly reduce ordinary decisions to their real cost.
Economics is Everywhere
4 ideas
Supply, demand, and elasticity in daily life
Movies, parking, dating, and food are used to illustrate market clearing and price sensitivity. Familiar situations make abstract curves concrete.
Incentives shape all behavior
From tipping to queuing, people respond to marginal costs and benefits. The book treats incentives as the through-line of human action.
Read the news as an economist
Hamermesh's method takes any ordinary event and asks which economic mechanism explains it. The skill is spotting the model behind the anecdote.