t>price</dt><dd><p>Logarithm of real motor gasoline price.</p>
</dd>
<dt>cars</dt><dd><p>Logarithm of the stock of cars per-capita.</p>
</dd>
</dl>



<h3>Source</h3>

<p>The data is from Baltagi (2002).
</p>


<h3>References</h3>

<p>Baltagi, B.H. (2002). <em>Econometrics</em>, 3rd ed. Berlin, Springer. 
</p>
<p>Baltagi, B.H. and Griffin, J.M. (1983). Gasoline Demand in the OECD: An Application
of Pooling and Testing Procedures. <em>European Economic Review</em>, <b>22</b>, 117&ndash;137.
</p>


<h3>See Al