The file P03_30.xlsx gives monthly exchange rates (units of local currency per U. S. dollar) for nine currencies. Technical analysts believe that by charting past changes in exchange rates, it is possible to predict future changes of exchange rates. After analyzing the autocorrelations for these data, do you believe that technical analysis has potential?

Suppose either computers or televisions can be assembled with the following labor inputs: units produced 1 2 3 4 5 6 7 8 9 10 total labor used 3 7 12 18 25 33 42 54 70 90 (a) draw the production possibilities curve for an economy with 54 units of labor. label it p54. (b) what is the opportunity cost of the eighth computer? (c) suppose immigration brings in 36 more workers. redraw the production possibilities curve to reflect this added labor. label the new curve p90.

Of the four types of discharge, firing a. results from an employee's poor performance⎯that is, from his or her failure to fulfill expectations.b. is for-cause dismissal⎯the result of employee theft, gross insubordination, release of proprietary information, and so on.c. usually refers to the temporary unemployment experienced by hourly employees and implies that they are "subject to recall."d. designates the permanent elimination of a job as a result of workforce reduction, plant closing, or departmental consolidation.

How should the environmental effects be dealt with when evaluating this project? the environmental effects should be ignored since the plant is legal without mitigation. the environmental effects should be treated as a sunk cost and therefore ignored. if the utility mitigates for the environmental effects, the project is not acceptable. however, before the company chooses to do the project without mitigation, it needs to make sure that any costs of "ill will" for not mitigating for the environmental effects have been considered in the original analysis. the environmental effects should be treated as a remote possibility and should only be considered at the time in which they actually occur. the environmental effects if not mitigated would result in additional cash flows. therefore, since the plant is legal without mitigation, there are no benefits to performing a "no mitigation" analysis.