How much water does it take to produce one pound of beef?

Which best describes the idea behind the "invisible hand"? producers decide what to make for consumers, which guides the economy. individuals seeking their own self interest benefit the economy as a whole. government sets policy for producers and consumers, which guides the economy. consumers decide what they need and want to buy, which guides the economy.

Which of the following policies can the government use to encourage entrepreneurship?

How would you summarize john hay's first request in the first open door note?