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2. Model of the marriage market. SF is the wife's share of the total income (earnings, output) of a married household. The supply curve shows how many women will marry at each level of SF, if SF high, a lot of women will want to marry. The demand curve show how many men are willing to marry at each level of SF, if SF is high, then few men will want to marry, as SF falls more men will want to marry. a. Illustrate the impact of an increase of women relative to men (changes in the sex ratio) on supply and demand and the marriage market equilibrium. Explain. ( 5p) SF Supply Deuumd N\" at: 0: v. mneu. men