擅长:python、mysql、java
<p>看起来您应该使<code>k_bar</code>成为静态方法:</p>
<pre><code>class AgentCrra:
@staticmethod
def k_bar(alpha, beta, delta):
"""non-stochastic steady-state for capital"""
return ((1 / beta - 1 + delta) / alpha) ** (1 / (alpha - 1))
</code></pre>
<p>这将允许您的单元测试运行。在</p>