News & Guides
Season guides, division explainers and the latest on the National Economics Challenge and the China National Round (CNEC).
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Micro vs Macro vs World Economy: How NEC Splits Its Subject Coverage
A cross-subject coverage map of the NEC: how microeconomics, macroeconomics and world economy are weighted, and where China students over- and under-prepare.
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How NEC Tests Production, Costs & Economies of Scale
How the NEC tests the theory of costs: fixed, variable and marginal cost curves, short run vs long run, and economies of scale – with a CNEC prep angle.
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How NEC Tests Labor & Factor Markets: Wages, Marginal Product and Derived Demand
How the NEC tests factor markets: labor demand as derived demand, marginal revenue product, wage determination, and the basics of rent and interest.
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How NEC Tests Game Theory: Payoff Matrices, Dominant Strategies and Nash Equilibrium
How the National Economics Challenge tests game theory: reading a payoff matrix fast, spotting dominant strategies, locating the Nash equilibrium and recognising the prisoner's-dilemma structure in exam items.
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How NEC Tests Monopoly & Oligopoly Pricing: MR=MC, Markups and Collusion Logic
How the National Economics Challenge tests pricing under monopoly and oligopoly: the MR=MC rule, the markup over marginal cost, price discrimination, and why collusion is always tempting but unstable.
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How NEC Tests Market Structures: Perfect Competition vs Monopoly vs Oligopoly
How the NEC frames the four market structures: price and output decisions, efficiency, and identifying the structure from a single exam prompt.