44. If a firm discovers a new process to increase its productivity (i.e. just-in- time manufacturing, assembly-line-production), we would expect the firm's desired capital stock to A. increase B. decrease C. remain constant D. not enough information 45. Facebook's current stock market value is $575 billion. If the accounting value of Facebook's capital stock is $600 billion, according to the theory of Tobin's q, the firm should A. invest to increase its capital stock B. disinvest to decrease its capital stock C. keep its capital stock constant D. not enough information 46. A financial market is said to be informationally efficient when A. prices reflect all available public information B. impossible to make economic profits from trading on public information C. only unexpected news moves stock prices D. all of the above 47. The US government's current stock of debt is $20 trillion. The average interest rate the US government pays on its debt is 2%. If the government's budget is balanced this year, then what is the present discounted value of all future tax revenues the US government will collect? A. $19.61 trillion B. $20.00 trillion C. $20.40 trillion D. not enough information 48. What would describe considerations made for how current tax and spending policies affect people not yet born? A. intergenerational equity B. intergovernmental equity C. intergenerational optimization D. intergovernmental optimization