A forecaster used the regression equationQt = a + bt + c1D1 + c2D2 + c3D3and quarterly sales data for 1996 I - 2013 IV (t = 1, ..., 64) for an appliance manufacturer to obtain the results shown below. Q is quarterly sales, and D1, D2 and D3 are dummy variables for quarters I, II, and III.What is the estimated intercept of the trend line in the fourth quarter?

The panic of 1893 was caused by the Sherman Silver Act of 1890, which doubled the Treasury's monthly purchase rates to 4

5 million ounces of silver at current market prices and was eased when President Cleveland called for the Act's repeal on June 30, 1893. Indicate whether the statement is true or false

Monopolistic competition is the only market structure that features many sellers

a. True b. False Indicate whether the statement is true or false