Why communism is good for the economy?

What is the opportunity cost to a fully employed economy of increasing capital investment? What type of economy does Hawaii have? How do you calculate the 2 months average of the MSCI total return Index? Which do producers pay attention to in order to know what people want to buy and how much their willing to pay? What is a mutually beneficial trade relationship? There are two shoe stores in a small town. Store A is selling a pair of running shoes for 39.50. If it costs Store A 40 to order this pair of shoes from the factory then what is store A doing? Why is the Kentucky Derby significant to the people of Kentucky? How much is 2.5 million in 1971 worth today? Do investors tend to decrease required rates of return over time for projects with longer lives? What would apple stock bought in 1980 be worth today? Can you exchange an expired currency? What is the importance of e-business? How does the income effect explain the change in quantity demanded that takes place when the price goes down? DO Average cost always falls as output increases because fixed costs will be spread more thinly? Why is sugar cane industry important to the Caribbean? What is a commodity super-cycle? What economic system favors decisions by consumers but allows for some central planning? What evidence shows that saint domingue was an economically valuable colony? How much should it cost to heat 1 gallon of water from 50f to 140f at a natural gas price of 2 per CCF? How will you relate population to energy demand?