t>acompetition</dt><dd><p>numeric. Constant inverse Lerner index.</p>
</dd>
<dt>competition</dt><dd><p>numeric. Varying inverse Lerner index.</p>
</dd>
<dt>capital</dt><dd><p>numeric. Net stock of property, plant, and equipment.</p>
</dd>
<dt>cites</dt><dd><p>integer. Future cite-weighted patents.</p>
</dd>
<dt>precites</dt><dd><p>numeric. Presample average of cite-weighted patents.</p>
</dd>
<dt>dprecites</dt><dd><p>factor. Indicates zero precites.</p>
</dd>
<dt>patents</dt><dd><p>integer. Granted patents.