Ao contrário de Sócrates e Platão, para Aristóteles não basta conhecer o bem para praticá-lo. Também é necessário o quê?

"i really need this answered quickly ! " how can investing in the stock market consumers reach their savings and spending goals?

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

Why are the majority of the world's economies mixed? what may happen to the "pure" types of economies (traditional, socialist/command, market capitalist) when they incorporate elements from other economic models?