This paper provides a guide to two FORTRAN programs, called TRT1.FOR and TRT2.FOR, written to run the two stages of the Ramsey and Rothman (1996) time-reversibility (TR) test. Original FORTRAN source code and executable (on an IBM-compatible PC) versions of the programs are available. The major...

Building upon Beaudry and Koop's (1993) analysis, we consider a "current depth of the recession" (CDR) variable in modeling the time-series behavior of the postwar quarterly U.S. unemployment rate. The CDR approach is consistent with the state-dependent behavior in the unemployment rate...