Ripples in the Pond
The Big Picture
NOVEMBER 27, 2024
Next time you encounter a calm pond or lake with a nice, smooth surface, pick up a rock and toss it into the water. The result will be very predictable: concentric rings will expand out from where the mass disrupts the calm surface. This is how models depict the economy. Once the surface settles down, repeat the exercise. Only this time, have 10 of your friends grab big scoops of rocks of various sizes, from pebbles to boulders, and randomly throw them into the water over minutes, hours, and day
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