Which of the following statements is not true?

Banks primary reserves are short-term assets that can provide the bank with additional liquidity while safely earning some interest income.

Value at Risk (VAR) is a common approach to assessing risk in financial firms trading accounts.

Higher concentration ratios imply higher correlation among default rates for banks loan portfolios.

Bank liquidity refers to the banks ability to accommodate deposit withdrawals and loan requests, and pay off other liabilities as they come due.