“…In-work benefits in the US and the UK have been discussed and compared in several studies, including Dickert et al (1995), Eissa and Liebman (1996), Liebman (1998), Blundell (2000), Brewer (2000), Blundell et al (2000), Meyer and Rosenbaum (2001), Neumark and Wascher (2001), Blundell et al (2002), Blundell and Hoynes (2004), Eissa and Hoynes (2004), Brewer et al (2006), Francesconi and van der Klaauw (2007), Leigh (2007), Gregg et al (2009), Brewer et al (2010), and Blundell and Shephard (2012), among others. In this section, we briefly review the design of these income support mechanisms to emphasize their disincentives on secondary earners.…”