“…2 The use of search and matching frictions in business cycle models was pionereed by Merz (1995) and in the real business cycle (RBC) literature. More recently, the same labor market frictions have been studied in the New Keynesian model by Blanchard and Galí (2010), Christiano, Trabandt, and Walentin (2011), Christo¤el, Kuester, and Linzert (2009), , Groshenny (2009 and, Krause and Lubik (2007), , 2011), Sveen and Weinke (2009), Trigari (2009), and Walsh (2005), among many others.…”