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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
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Phoniex University
Oct-2001 - Nov-2016
c12 Use the data in MINWAGE.RAW for this exercise, focusing on the wage and employ- ment series for sector 232 (Men’s and Boys’ Furnishings). The variable gwage232 is the monthly growth (change in logs) in the average wage in sector 232; gemp232 is the growth in employment in sector 232; gmwage is the growth in the federal minimum wage; and gcpi is the growth in the (urban) Consumer Price Index.
(i)Â Â Â Â Â Â Find the first order autocorrelation in gwage232. Does this series appear to be weakly dependent?
(ii)Â Â Â Â Â Estimate the dynamic model
gwage232t 5 b0 1 b1gwage232t−1 1 b2gmwaget 1 b3gcpit 1 ut
by OLS. Holding fixed last month’s growth in wage and the growth in the CPI, does an increase in the federal minimum result in a contemporaneous increase in gwage232t? Explain.
(iii)   Now add the lagged growth in employment, gemp232t−1, to the equation in part (ii).
Is it statistically significant?
(iv)   Compared with the model without gwage232t−1 and gemp232t−1, does adding the two lagged variables have much of an effect on the gmwage coefficient?
(v)    Run the regression of gmwaget on gwage232t−1 and gemp232t−1, and report the R-squared. Comment on how the value of R-squared helps explain your answer to part (iv).
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