By 2015, ________ members of the European Union were using the euro as their currency

An incentive is

A) a reward or a penalty that encourages or discourages an action. B) when people make rational choices by comparing costs and benefits. C) what you must give up to get something. D) a choice is made on the margin. E) a good or service that satisfies wants.

An advance in technology that increases productivity and an increase in the working-age population results in a

A) rightward shift of the labor supply curve. B) rightward shift of the labor demand curve. C) rightward shift of the labor demand curve and of the labor supply curve. D) no change to the production function.