Which category in maslow's hierarchy includes basic survival needs such as air, food, water, and shelter?

a. physiological needsb. social needsc. safety needsd. self actualization

Which of the following best explains how the invention of money affected the barter system? a. the invention of money supplemented the barter system by providing a nonperishable medium of exchange b. the invention of money completely replaced the barter system with a free-market system c. the invention of money had no effect on the barter system d. the invention of money drastically reduced the value of goods used in the barter system 2b2t

On december 31, 2011, daggett company issued $750,000 of ten-year, 9% bonds payable for $700,353, yielding an effective interest rate of 10%. interest is payable semiannually on june 30 and december 31. prepare journal entries to reflect (a) the issuance of the bonds, (b) the semiannual interest payment and discount amortization (effective interest method) on june 30, 2012, and (c) the semiannual interest payment and discount amortization on december 31, 2012. round amounts to the nearest dollar.

Suppose an economist believes that the price level in the economy is directly related to the money supply, or the amount of money circulating in the economy. the economist proposes the following relationship: p=a x m - p=price level - m=money supply - a=a composite of other factors, including real gdp, that change very slowly over time. how might an economist gather empirical data to test the proposed relationship between money and the price level? an economist would persuade the federal reserve to change the money supply to various levels, and observe the resulting changes in the price level. unlike researchers in the hard sciences, economists cannot study complex relationships using data. economists do not usually develop theoretical models of the economy but only analyze summary statistics about the current state of the economy. an economist would look for data on past changes in the money supply, and note the resulting changes in the price level