Which results from a large company's ability to take advantage of economies of scale?

In a macroeconomic context, what are implicit liabilities? money owed to people possessing government issued bonds. the amount of money that firms collectively owe to shareholders. money that the government has promised to pay in the future. payments that the federal government undertakes only during periods of recession. which of the choices is a significant implicit liability in the united states? military spending education spending national science foundation spending social security

Andrea cujoli is a currency speculator who enjoys "betting" on changes in the foreign currency exchange market. currently the spot price for the japanese yen is ¥129.87/$ and the 6-month forward rate is ¥128.53/$. andrea would earn a higher rate of return by buying yen and a forward contract than if she had invested her money in 6-month us treasury securities at an annual rate of 2.50%. true/false?

In north korea, a farmer’s income is the same as a dentist’s income. in a country with a mixed or market economy, the difference between those two professions might be more than 5 times different. how can you explain the fact that individuals doing the same work in different countries do not earn comparable salaries?