">(</span><span class="st">"N_d = Y/W"</span><span class="op">)</span> <span class="op">|&gt;</span> </span>
<span>  <span class="fu"><a href="reference/add_equation.html">add_equation</a></span><span class="op">(</span><span class="st">"H_s = H_h"</span>, desc <span class="op">=</span> <span class="st">"Money equilibrium"</span>, hidden <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span>
<span></span>
<span><span class="va">model_sim</span><span class="op">$</span><span c