Dear Mr. Allin Cottrell,<br>I tried to estimate panel data simultaneous equation model, but failed as an error message appeared, it says &quot;Sorry, command not available for this estimator&quot;.<br>I attached my dataset to this mail, and the information about the dataset and equations is:<br>
<br>&lt;info about data and equations&gt;<br>113 cross-sectional units observed over 26 periods;<br>unbalanced panel data;<br><br>equation pf 0 gdpr ko pcr<br>equation pcr 0 gdpc efw to pf fdi<br>endog pf pcr<br>&lt;info about data and equations&gt;<br>
<br>I hope you can help me to solve the problem.<br>Thanks.<br><br>Zhenzeng YOUNG<br><br><div class="gmail_quote">2009/8/10 Allin Cottrell <span dir="ltr">&lt;<a href="mailto:cottrell@wfu.edu">cottrell@wfu.edu</a>&gt;</span><br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div class="im"><br>
On Sat, 8 Aug 2009, Zhenzeng Young wrote:<br>
<br>
&gt; I&#39;m trying to estimate SEMs using panel data, and the panel is<br>
&gt; unbalance, could you tell me if it is possible?<br>
<br>
</div>&quot;SEM&quot; = simultaneous equation models?  So far I know this should<br>
work, but I will admit that it&#39;s not seriously tested with panel<br>
data.<br>
<br>
Why don&#39;t you try it and let us know if you find any apparent<br>
problems?<br>
<font color="#888888"><br>
Allin Cottrell<br>
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</font></blockquote></div><br><br clear="all"><br>-- <br>YANG Zhenzeng<br>Dep. of international economics and trade,<br>Economics school,<br>Tianjin University of Finance and Economics, PRC.<br>