Em 15 de janeiro de 2011 Allin escreveu:<div><div class="gmail_quote"><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>(...)<br>
<br>
</div></div>The original model has time-varying X = (const, INFL(-1),<br>
LHUR) and time-invariant X = LHUR(-1). Your revision has just<br>
one time-varying X (= LHUR) and no time-invariant terms, not<br>
even a constant. Is that really what you want?<br></blockquote><div><br></div><div>Yes, it is.</div><div><br></div><div><div>Actually, the aim of my model is to decompose the government balance into two components: rule and discretion. Please take a look at my model:</div>

<div><br></div><div>FP(t) = dR(t) + w1(t)</div><div>dR(t) = b(t)dgap(t)</div><div>b(t) = b(t-1)+ w2(t)</div><div><br></div><div>Where:</div><div>FP represents the fiscal policy (measured as changes in the government balance)</div>

<div>R represents the automatic component of the fiscal policy that responds to changes in the output gap (dgap)</div><div>w1, w2, and w3 represent the errors</div></div><div><br></div><div>To make the estimations, I&#39;m transforming the system above into this:</div>

<div><br></div><div><div>FP(t) = b(t)dgap(t) + w1(t)</div><div>b(t) = b(t-1)+ w2(t)</div></div><div><br></div><div>So the first term on the right side is the &quot;rule&quot; and the second is the &quot;discretion&quot;.</div>

<div><br></div><div>In the context of Jack&#39;s script, what could I do to estimate something like this:</div><div><br></div><div>list t_var_X = LHUR # time-varying</div><div>list X = t_var_X</div><div><br></div><div>Thanks a lot for your help, Allin!</div>

<div><br></div><div>Best, </div></div><font><font face="tahoma, sans-serif">Henrique Andrade<b><br></b></font></font><br>

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