This table contains data on the social costs and benefits incurred in improving water quality in a lake. Complete the table below, what is the optimal water pollution amount of improving the water quality in a lake.  Enter you answer as a numeric value e.g. 12. Water Pollution (PPM) Total Costs Marginal Cost Total Benefits  Marginal Benefit 45 20 – 120 – 35 25 190 25 35 240 10 65 270 0 100 280  

Select the characteristics below that most closely fit with perfect competition.

True or False. Economists analyze issues and problems with economic theories that are based on particular assumptions about human behavior

Indicate whether each of the following statements applies to microeconomics or macroeconomics: The unemployment rate in the United States was 8.1 percent in August 2012:

Item Billions of Dollars Money Market Mutual Fund Balances Held By Businesses $100 Money Market Mutual Fund Balances Held By Individuals $230 Currency In Banks 12 Currency In Circulation 65 Savings Deposits 55 Large-denominated ($100,000 or more) Time Certificate Deposits 180 Small-denominated ($100,000 or less) Certificate Time Deposits 80 Checkable Deposits $70 Refer to the accompanying table. The value of the money included in M2 but not counted in M1 is (Enter you numeric value with no commas and no dollar signs)

True or False.  Quantitative Easing is similar to traditional monetary policy.

Select the characteristics below that most closely fit with perfect competition.

Mark all that apply.  If the fed buys bonds

Which items will shift the productions possibilities frontier outward.

Development of more effective wireless technology increases or decreases the supply of cell phones?