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st: Logit analysis with cross-sectional time-series data


From   "Sugie Lee" <sugie.lee@arch.gatech.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Logit analysis with cross-sectional time-series data
Date   Thu, 13 Nov 2003 13:44:04 -0500

Hello!

I am going to analyze the impacts of socio-economic variables on
areas(central city or suburbs)
over time(4years: 1970-2000) and across the MSAs(10 MSAs).
I am using cross-sectional time-series data at the level of census tract.
Here is the hypothetical structure of database for analysis.

I guess logit analysis would be a good choice.
I don't know how I can do this analysis using logit command(logit, clogit,
xtlogit).
How can I calculate the impact of each variable controlling for region(MSAs)
and time(Year).
The dependent variable is "area" (central city or suburbs).
I have around 50 independent variables(demographic, socio-economic,and
housing).

xtlogit area pop_ch joblessness poverty..... MSA YEAR, i(id)

Is this a right command to achieve what I expect?
Or are there better methods in stata?
I would appreciate for any suggestions and helps.
Thanks.

sugie

----------------------------------------------------------------------------
-------------------
 census tract id     msa       year    area    population pop_ch joblessness
poverty ...........
            a1.00   Atlanta   1970   center city    200             7%
10%
            a1.00   Atlanta   1980   center city    300    xxx      8%
11%
            a1.00   Atlanta   1990   center city    250    xxx      8%
13%
            a1.00   Atlanta   2000   center city    210    xxx      9%
12%
            a2.00   Atlanta   1970   center city    100    xxx      7%
8%
            a2.00   Atlanta   1980   center city    200    xxx      6%
7%
            a2.00   Atlanta   1990   center city    250    xxx      6%
7%
            a2.00   Atlanta   2000   center city    300    xxx      5%
6%
             .        .        .        .           .      .       .
.
             .        .        .        .           .      .       .
.
          a100.00   Atlanta   1970   suburbs        100             7%
8%
          a100.00   Atlanta   1980   suburbs        200    xxx      6%
7%
          a100.00   Atlanta   1990   suburbs        250    xxx      6%
7%
          a100.00   Atlanta   2000   suburbs        300    xxx      5%
6%
             .        .        .        .           .      .       .
.
             .        .        .        .           .      .       .
.
            p1.00   Portland  1970   center city    200             7%
10%
            p1.00   Portland  1980   center city    300    xxx      8%
11%
            p1.00   Portland  1990   center city    250    xxx      8%
13%
            p1.00   Portland  2000   center city    210    xxx      9%
12%
             .        .        .        .           .      .       .
.
             .        .        .        .           .      .       .
.
          p150.00   Portland  1970   suburbs        100             7%
8%
          p150.00   Portland  1980   suburbs        200    xxx      6%
7%
          p150.00   Portland  1990   suburbs        250    xxx      6%
7%
          p150.00   Portland  2000   suburbs        300    xxx      5%
6%
             .        .        .        .           .      .       .
.
             .        .        .        .           .      .       .
.
             .        .        .        .           .      .       .
.
             .        .        .        .           .      .       .
.



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