Suppose an industry has 100 firms, each with a supply curve P = 50 + 10Q . Furthermore, suppose the market demand curve is given by P = 200 - 0.9Q . a. What is the industry supply curve? b. What is the equilibrium price and quantity for this market? c. How many units of output will be produced by a firm operating in this market with a marginal cost function, MC = 130Q

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Assume that the following conditions exist: a. all banks are fully loaned up- there are no excess reserves, and desired excess reserves are always zero. b. the money multiplier is 5 .     c. the planned investment schedule is such that at a 4 percent rate of interest, investment =$1450 billion. at 5 percent, investment is $1420 billion. d. the investment multiplier is 3 . e.. the initial equilibrium level of real gdp is $12 trillion. f. the equilibrium rate of interest is 4 percent now the fed engages in contractionary monetary policy. it sells $1 billion worth of bonds, which reduces the money supply, which in turn raises the market rate of interest by 1 percentage point. calculate the decrease in money supply after fed's sale of bonds: $nothing billion.

Stock market crashes happen when the value of most of the stocks in the stock market increase at the same time. question 10 options: true false