According to Prof. St. Clair, allowing Lehman Brothers to fail in 2008 breached the Fed's primary mandate, and worsened the financial crisis of 2008.
<h3>What caused the Lehman Brothers' failure?</h3>
The main cause of the failure of Lehman Brothers Investment Bank was its involvement in the subprime mortgage market.
Lehmann Brothers recorded unprecedented loss due to the 2008 subprime mortgage crisis.
The investment bank held onto large positions in subprime and other lower-rated mortgage tranches when securitizing the underlying mortgages.
Thus, according to Prof. St. Clair, allowing Lehman Brothers to fail in 2008 was a terrible decision because its failure breached the Fed's primary mandate, and worsened the financial crisis of 2008.
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