“Treasury purchases $500 billion from financial institutions via an auction mechanism. Determining what prices to pay for heterogeneous securities would be a key challenge. Treasury would compensate bidder with newly issued Treasury securities, rather than cash. Such an asset-swap would eliminate the need for sterilization by the Fed. Treasury would hire private asset managers to manage the portfolios to maximize value for taxpayers and unwind the positions over time (potentially up to 10 years).”