在20世纪80年代。大部分拉美国家受到债务危机的影响，在正式部门内他们经历了一次严重的就业紧缩。

而非正式部门的就业增加。如何用每个部门的劳动力市场的制度安排解释这一现象？ Most Latin American countries were affected by the debt crisis of the 1980s．They experienced an important contraction in employment in the formal sector while employment in the informal sector increased．How Call the institutional arrangements of the labor market in each sector be used to explain this phenomenon？