Statement I: The Rybczynski theorem postulates that at constant commodity prices an increase in the endowment of one factor will increase by a greater proportion the output of commodity, intensive in that factor and will reduce the output of the other country

Statement II: The Stolper - Samuelson theorem postulates that an increase in the relative price of a commodity (for example as a result of a tariff) decreases the return or earnings of the factor used intensively in the production of the commodity

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