Thursday, March 09, 2006

Re: st: TSCS: what model for N>T ??

Why don't you try reading the Beck and Katz articles to resolve your confusion? They are quite accessible. David Greenberg, Sociology Department, New York University

----- Original Message ----- From: joel miller <joelstar90@hotmail.com> Date: Thursday, March 9, 2006 9:42 am Subject: st: TSCS: what model for N>T ??

> Fellow Stata users, > > I´ve been working on TSCS data involving 41 police force areas, and > about 7 > time periods (soon I hope to be 8). I´m theoretically interested in > a fixed > effects model, because I want to see how variation within police > forces is > impacting arrest rates over time (and Hausman tests suggest a fixed > effects > model is appropriate). > > However, is OLS fixed effects my only choice here? I have played a > little > with a panel adjusted standard error (the Beck and Katz model). But > while I > have seen published articles which use the PCSE model with a > similar data > structure to mine (N a lot greater than T), I have since been > advised that > this is not appropriate. This puzzles me a little, because I have > also read > further that the Beck/Katz is actually more suited to N>T than > other > approaches. > > In short I´m confused. Help! > > > * > * For searches and help try: > * http://www.stata.com/support/faqs/res/findit.html > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ >

* * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/


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