Description Usage Arguments Value Examples
Estimate the linear feedback model in Blundell, Griffith and Windmeijer "Individual effects and dynamics in count data models", Journal of Econometrics 108 (2002) 113-131
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formula |
Similar to the |
data |
A |
effect |
Either |
effect |
Either |
weight.matrix |
Either |
index |
If |
start |
An optional vector of starting values for optimization. |
call |
The matched call |
coefficients |
The estimated coefficient |
fitted.values |
|
first |
The first stage estimates |
fixed.effects |
Estimates of the individual fixed effects |
model |
The variables used for estimation for each individual |
residuals |
|
vcov |
The covariance matrix of the coefficients |
W1 |
The first-stage weight matrix used |
W2 |
The second-stage (efficient) weight matrix used (only returned if
|
Z |
The instrument matrix for each individual |
obj |
The value of the GMM objective function at the estimated parameters. |
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