What is the basic fundamental economic problems facing society?

What is the definition of underdeveloped economy? Which business practice is described by the following secenario A steel mill owner buys the mine that produces iron ore the railroad that transports the iron ore the factory that makes steelmaking fur? Are businesses hurt by competition? What are the economic activities of the Appalachian plateau? How did the farmers fight the negative economic cycle that trapped them? What is 50p in today's money? Why the profit stayed the same despite sales turnover increase? What categories of costs combine to create a firm's total cost? What does an exchange rate between the European Euro and the Japanese Yen mean? If a retired worker receives a fixed income of 45000 a year from a pension plan and there is a fall in the economy this year resulting in deflation then .? Is fair market value and current market value the same? The drop in oil prices in the 1980s probably helped to convince Venezuela to? Why scarcity is basic fact of life? What economists study? What happens if the supply decreases and demand is constant? Why don't small businesses engage in global trade? What Describes a neolocal system? The prosperity of the 1920s caused many consumers to become overconfident in the economyOne result of this overconfidence was that? Why is marginal analysis involved in economics? What is the relationship of finance and economics?