Question: We will consider a nonlinear AR(1) model for gdp growth rates (a) Create GDP growth rates Yt . Extract the level of real U.S. GDP
We will consider a nonlinear AR(1) model for gdp growth rates
(a) Create GDP growth rates Yt . Extract the level of real U.S. GDP (gdpc1) from FRED-QD and make the above transformation to growth rates.
(b) Use Nadaraya-Watson to estimatem(x). Plot with 95% confidence intervals.
(c) Repeat using the Local Linear estimator.
(d) Do you see evidence of nonlinearity?
Y = m(Y-1)+e, Y = 100 GDPt GDP-1 olla
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