Question: Data sets are there Question Data.xls contains quarterly data on sales of refrigerators and durable goods for the period 1978 to 1995. a. Estimate the

Data sets are there

Question Data.xls contains quarterly data on sales of refrigerators and durable goods for the period 1978 to 1995. a. Estimate the following dummy variable models and interpret the results. FRIG = B1 +B2D2 + B3D3 + B4D4 + J DUR = B1 +B2D2 + B3D3 + BAD4 + H b. Introduce a dummy variable DI representing sales in the first quarter. Then, re-estimate the following models and interpret the results. FRIG = BIDI + B2D2 + B3D3 + B4D4 + H DUR = BIDI + B2D2 + B3D3 + 4D4 + ul c. De-seasonalize the sales of refrigerators and durable goods using the three step seasonal adjustment procedure. Explain the procedure and purpose of de-seasonalization.\f

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