“…In particular, primary dealers are expected to participate in all issuance auctions of Treasuries, and have traditionally been the predominant purchasers at these auctions. 11 Dealers are also key intermediaries of the Treasury cash market, 8 We keep the details to a minimum, and refer to Fleming (1997), Fleming and Garbade (2004), Garbade, Keane, Logan, Stokes, and Wolgemuth (2010), and Baklanova, Copeland, and McCaughrin (2015) for additional details on Treasury and repo markets, Fleming and Rosenberg (2007) on dealers, and Duffie (2018) and Boyarchenko, Eisenbach, Gupta, Shachar, and Tassel (2018) on post-crisis regulations.…”