Macroeconomic equilibrium occurs where a. total production, or gdp, equals total planned investment. b. the unemployment rate is zero. c. total spending, or aggregate expenditure, equals total production, or gdp. d. consumption equals investment and investment equals government expenditure.

Suppose the price of a complement to lcd televisions rises. what effect will this have on the market equilibrium for lcd tvs?

When cell phones were first entering the market, they were relatively large and reception was undependable. all cell phones were essentially the same. but as the technology developed, many competitors entered, introducing features unique to their phones. today, cell phones are only a small fraction of the size and weight of their predecessors. consumers can buy cell phones with color screens, cameras, internet access, daily planners, or voice activation (and any combination of these features). the history of the cell phone demonstrates what marketing trend?

Suppose you hold a portfolio consisting of a $10,000 investment in each of 8 different common stocks. the portfolio's beta is 1.25. now suppose you decided to sell one of your stocks that has a beta of 1.00 and to use the proceeds to buy a replacement stock with a beta of 1.55. what would the portfolio's new beta be? do not round your intermediate calculations.