Run a market
Choose a population, what the seller knows, how it prices, how many sellers compete, how consumers behave and which rule applies. The browser model reproduces the engine's economics but replaces seller learning with a noisy-oracle pricer, so it runs instantly; the canonical panel shows the persisted Python result for the closest configuration.
What prices do consumers face?
Distribution of the price offered to each consumer; the vertical line is the uniform-monopoly price for this population.
Where does the surplus go?
Consumer surplus, producer surplus and deadweight loss relative to first best.
Who pays and who gains, by income?
Average price and surplus per consumer by income quintile.
How unequal is the surplus?
Lorenz curve of consumer surplus across all consumers (non-buyers at zero).
Closest canonical run paper result
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