For competition to be perfect, products need to be nearly identical. But the market for mohawks in dac clearly shows this isn't the case. Prices can vary by orders of magnitude from a few dollars to 50 60 or more. Ani students should perhaps get ther hair, not just in poor countries, but once ther in poorer parts of town. And perhaps more fundamentally, they really should not cut their own hair.
Hints are turning to hard data: economic slowdowns are coming. We ask about the threat of recessions in different regions and about the effects they may have. The reckless behaviour of China’s fighter pilots is just one reflection of the country’s distrust of the West. And a haircut gone wrong leads to a lesson that challenges textbook economics. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/intelligenceoffer