Title:      Ecological Inference with Covariates

Authors:    Won-ho Park

Entrydate:  2008-07-08 07:44:43

Keywords:   ecological inference, Thomsen, voter transition,
South Korean, democratization

Abstract:   The building block of ecological inference
strategies is to construct a two-by-two table that describes the
individual-level relationship from aggregate information.
Extensions to this baseline model, whichever particular
technique is employed, have been developed in the context of
constructing bivariate R-by-C tables. However, another important
and substantively interesting extension is a model that would let
the researcher include additional covariates into the model and
is yet to be fully discussed and developed. In the paper, I
propose a method of moment estimator that incorporates
covariates into the ecological inference process by extending
Thomsen (1987)'s voter transition model. I apply the developed
model to estimate the impact of demographic variables on turnout
in South Korean voters over time, especially around
democratization, using precinct-level electoral returns and
census records. 

http://polmeth.wustl.edu/retrieve.php?id=796

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