News & Guides
Season guides, division explainers and the latest on the National Economics Challenge and the China National Round (CNEC).
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How NEC Tests Tariffs & Protectionism: Welfare Effects and Policy Trade-offs
Tariffs and quotas are the highest-yield protectionism topic the NEC tests. How to read the welfare-loss diagram, name every gain and loss, and weigh the free-trade case.
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How NEC Tests Consumer & Producer Surplus and Deadweight Loss
How the National Economics Challenge tests welfare analysis: reading consumer and producer surplus off a diagram, finding deadweight loss from taxes and price controls, and the geometry that gets you there fast.