<Li> If P C / P W <a L C / a L W <a L C ′ / a L W ′ (\ displaystyle \ textstyle P_ (C) / P_ (W) <a_ (LC) / a_ (LW) <a'_ (LC) / a'_ (LW)), then both Home and Foreign specialize in wine, for similar reasons as above, and so the quantity supplied is zero . </Li> <Li> If a L C / a L W <P C / P W <a L C ′ / a L W ′ (\ displaystyle \ textstyle a_ (LC) / a_ (LW) <P_ (C) / P_ (W) <a'_ (LC) / a'_ (LW)), then Home specializes in cloth whereas Foreign specializes in wine . The quantity supplied is given by the ratio L / a L C L ′ / a L W ′ (\ displaystyle \ textstyle (\ frac (L / a_ (LC)) (L' / a'_ (LW)))) of the world production of cloth to the world production of wine . </Li> <Li> If a L C / a L W <a L C ′ / a L W ′ <P C / P W (\ displaystyle \ textstyle a_ (LC) / a_ (LW) <a'_ (LC) / a'_ (LW) <P_ (C) / P_ (W)), then both Home and Foreign specialize in cloth . The quantity supplied tends to infinity as the quantity of wine supplied approaches zero . </Li> <Li> If a L C / a L W <a L C ′ / a L W ′ = P C / P W (\ displaystyle \ textstyle a_ (LC) / a_ (LW) <a'_ (LC) / a'_ (LW) = P_ (C) / P_ (W)), then Home specializes in cloth while Foreign workers are indifferent between sectors . Again, the relative quantity supplied can take any value . </Li>

When does country x have a comparative advantage