Weekly Roundup: From Drinking Behavior to Dating Decisions

This week’s everyday economics involved 6 economists and such ideas as product differentiation, behavioral economics, marginal utility, price and trade.

Why We Should Look More Closely At the Size of Our Soda

The 6-ounce bottle of Coke was the king of soda when an upstart company called Pepsi-Cola sold a 12-ounce bottle for the same price. The year was 1934 and the price was 5 cents. Pepsi’s competitive strategy has been called brilliant because its biggest costs were advertising, bottling…

Starbucks Drive-Through Economics

My new Starbucks has a drive-through. If you look at a high shelf near the window through which the baristas hand the coffee and food to drivers, you see a screen with little cars and numbers. Changing from green to yellow…