In 1(a), you ask for a model where the *right-hand* side variable is a vector
of percentage Dem. votes for districts in 1910, 1920, ..., 1990.
But looking at the equation on the first page, don't you want the right-hand
side variable to be a vector of percentage Dem. votes in 1918, 1928, ..., 1988
in order to estimate a vector of predicted values for percentage Dem. vote in
1910, 1920, ..., 1990 as the *left-hand* side, dependent variable?
Or am I confused? Just trying to set up the problem correctly.
Anna
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Anna Lorien Nelson
Department of Government,
Harvard University
alnelson(a)fas.harvard.edu
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