1. Secondary reserves are highly liquid earning assets that can be quickly converted to cash to meet a bank's expected and unexpected financial needs. They provide liquidity while also generating some income.
2. Secondary reserves should have high shiftability, low risk, and yield some income. They include assets like loans to other banks and governments, bills of exchange, and short-term corporate debentures.
3. Secondary reserves strengthen a bank's liquidity by replenishing cash reserves and helping manage the conflicting goals of liquidity and profitability. They act as a buffer against unexpected withdrawals and allow banks to meet liquidity requirements.