checkAssumptions

<p>The internal instruments are constructed as in Lewbel(1997). See <code><a rd-options="" href="/link/higherMomentsIV?package=REndo&version=1.3" data-mini-rdoc="REndo::higherMomentsIV">higherMomentsIV</a></code>.</p>

internal

lewbel

Fits linear models with endogenous regressor using latent
instrumental variable approaches. The methods included in the package
are Lewbel's (1997) <doi:10.2307/2171884> higher moments approach as well as Lewbel's (2012) <doi:10.1080/07350015.2012.643126>
heteroskedasticity approach, Park and Gupta's (2012) <doi:10.1287/mksc.1120.0718>joint estimation method
that uses Gaussian copula and Kim and Frees's (2007) <doi:10.1007/s11336-007-9008-1> multilevel generalized
method of moment approach that deals with endogeneity in a multilevel setting.
These are statistical techniques to address the endogeneity problem where no
external instrumental variables are needed.
This version:
- includes an omitted variable test in the multilevel estimation. It is reported in the summary() function of the
multilevelIV() function.
- resolves the error "Error in listIDs[, 1] : incorrect number of dimensions" when using the multilevelIV() function.
- a new simulated dataset is provided, dataMultilevelIV, on which to exemplify the multilevelIV() function.

Raluca Gui

REndo

Fitting Linear Models with Endogenous Regressors using Latent
Instrumental Variables

checkAssumptions function

<p>The internal instruments are constructed as in Lewbel(1997). See <code><a rd-options='' href='higherMomentsIV'>higherMomentsIV</a></code>.</p>

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checkAssumptions: Checks Assumptions for Constructing Internal Instruments

Description

Usage

Arguments