Fidelity suggests that each fund build its own buffer by putting aside retained earnings (ie, shareholder funds).
富达(Fidelity)建议每个基金都用利润留存(即股东基金)建立缓冲机制。
2
Lufthansa has set itself a strategic minimum liquidity to ensure that funds are permanently available as a buffer against cyclical fluctuations and volatile financial markets.
The fixed costs induce firms to raise external funds infrequently and to use cash holdings as a buffer; therefore firms will save cash out of their cash flow in a systematic way.