Which of the following is NOT one of the private financial sector$\text{'}$s vulnerabilities that Bernanke has listed out?

Banks and financial institutions failed in their risk management to keep up with the popularization of more complex financial products and transactions.

Financial firms relied heavily on short$-$term funding.

Banks and finanical institutions paid too much for their executives' compensation.

Market participants became too complacent with twenty years of the Great Moderation.