</span>, desc <span class="op">=</span> <span class="st">"Expected disposable income of households"</span><span class="op">)</span> <span class="op">|&gt;</span></span>
<span>  <span class="fu"><a href="../reference/add_variable.html">add_variable</a></span><span class="op">(</span><span class="st">"alpha1"</span>, init <span class="op">=</span> <span class="fl">0.6</span>, desc <span class="op">=</span> <span class="st">"Propensity to consume out of income"</span><span class="op">)</span> <span class="op">