Steven Weinberg (2018) says: (1) new theories that target new observations should be constrained to agree with observations successfully represented by existing theories; and (2) preserving successes of earlier theories helps to discover unanticipated understandings of yet other phenomena....

This paper studies the unemployment accelerator, a mechanism where workers directly affect the firms' financial conditions, and, in turn, firms' financial conditions feedback again to the real economy. The unemployment accelerator builds on two key assumptions: search frictions in the labor...