d>
<dt>dedicated</dt><dd><p>numeric. Share of &quot;dedicated&quot; institutional owners.</p>
</dd>
<dt>competition4</dt><dd><p>numeric. Varying inverse Lerner index in the firm's four-digit industry.</p>
</dd>
<dt>subsample</dt><dd><p>factor. Subsample for the replication of columns
1&ndash;5 from Table 4 in Aghion et al. (2013).</p>
</dd>
</dl>



<h3>Details</h3>

<p>Aghion et al. (2013) combine several firm level panel datasets (e.g.,
USPTO, SEC and Compustat) to examine the role of institutional invest