',true,'start_of_recession','peak','n_start',1);</span>
0038 <span class="comment">%</span>
0039 <span class="comment">%   Copyright (C) 2020</span>
0040 <span class="comment">%   This software is distributed under the GNU Public License Version 3.</span>
0041 <span class="comment">%   See &lt;https://www.gnu.org/licenses/gpl-3.0.en.html&gt; for details.</span>
0042 
0043 <span class="comment">% check input parameters</span>
0044 <span class="keyword">if</span> nargin &lt; 2
0045     error(<span class="stri