This study uncovers the existence of a trillion-dollar internal capital market that played a central role in the financing of dealer banks during the 2008 Global Financial Crisis. Hand-collecting a novel set of dealer microdata at the subsidiary level, I present the first set of facts on the evolution of interaffiliate loans between U.S. primary dealers and their (primarily foreign) siblings. First, the aggregate size of these dealer internal capital markets quadrupled from $335 billion in 2001 to $1.2 trillion by 2007. Second, 25 percent of total repurchase agreements and 61 percent of total securities lending reported on U.S. primary dealer balance sheets were sourced internally from sibling dealers by year-end 2007. Third, internal securities lending collapsed by 55 percent during the 2008 crisis. These facts suggest that incorporating internal capital market dynamics may be fruitful for future research on dealer behavior and market liquidity.
The full paper is available at https://www.federalreserve.gov/econres/feds/files/2021036pap.pdf