Question: 9.14 Consider the learning curve data and model given in Exercise 2.9 and the file learn.dat. The model is In(UNITCOST,) : 9r -t gzln(CUMPRODl) *

9.14 Consider the learning curve data and model given in Exercise 2.9 and the file learn.dat. The model is In(UNITCOST,) : 9r -t gzln(CUMPRODl) * e1

(a) Use an LM test to test whether the errors in this model are correlated.

(b) Estimate an ARDL model relating UNITCOSTTo CUMPROD. How many lagr did you use for UNITCOSfl For CUMPROD? Why?

(c) Find estimates of the first five lag weights of the infinite lag representation Comment on these estimates.

(d) Supposeth atc umulativep roductioni n year I 97 I is 3800.D o you expectc ostp er unit in l97l to be more or less than it was in 1970?

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