The price elasticity of demand is the?

(A) ratio of the percentage change in quantity demanded to the percentage change in
price.
(B) ratio of the change in price to the change in quantity demanded.
(C) ratio of the change in quantity demanded to the change in price.
(D) ratio of the percentage change in price to the percentage change in quantity
demanded.

If a government were to fix a minimum wage for workers that was higher than the marketclearing equilibrium wage, economists would predict that?

(A) more workers would become employed.
(B) there would be more unemployment.
(C) the costs and prices of firms employing cheap labour would increase.
(D) wages in general would fall as employers tried to hold down costs.

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