natural rate hypothesis meaning in English

率假说

But the paper prove that adaptive expectations could not leads to the natural rate hypothesis by a simple model , in contradiction , these two hypothesis are conflict . if incompletely expectations is the unique cause of prices rigid , that only the rational expectations hypothesis comes to the natural rate theory . ultimately , gave the lucas supply curve include the rational expectations
但本文通过一个简单的模型分析表明，适应性预期不可能导出自然率假说，相反，这两个假设是矛盾的。如果不完全预期是价格刚性的唯一原因，那么只有理性预期假设导致自然率理论。最后，给出了合理性预期的卢卡斯供给山线。