“…See Heckman (1979), Heckman and Robb (1986), Blundell, Duncan, and Meghir (1998), Bell, Blundell, and Van Reenen (1999) and Blundell and Costa Dias (2000) for precise descriptions of these conditions. Davidson and Woodbury (1993) is an example of an attempted calibration of substitution effects using data from the Illinois unemployment insurance (UI) experiments (see also Woodbury and Spiegelman 1987 on this program). have more sustainable effects than other labor market programs. 7 First, the program is mandatory: Refusal to participate results in sanctions.…”