Leviticus reads: “And if thy brother be waxen poor, and fallen in decay with thee; then thou shalt relieve him; yea, though he be a stranger, or a sojourner; that he may live with thee.
This happens when local banks start to tap foreign funding to meet a local demand for funds, or to get into international lending themselves. By taking foreign funding onto a balance sheet already strongly funded by the transactions balances and other core liquid assets of the economy, a domestically significant bank implicitly increases the risk for the domestic fund providers.