In the authors' opinion, there is little justification for maintaining the interest differential.

依作者所见，保持利率差异有失公道。

youdao

If it appreciated, this would increase the repayment cost of yen-borrowing and offset the interest differential.

日元升值将增加借入日元的还款成本，抵消利差带来的收益。

youdao

Prices of corporate and emerging market bonds are quoted as spreads (interest differential) over relevant yield curve benchmarks in inter bank dealings.

在银行与机构投资者的交易盘市场，公司发行的债券和新兴市场债券(emerging market bonds)的报价是基于相关收益率曲线基准的利差(spreads/interest differential)。

youdao

If they raise interest rates, they increase the interest rate differential which makes owning the currency more attractive.

FORBES: China's Currency Conundrum

Another negative factor for the U.S. dollar remains the interest rate differential outlook or the official monetary policy rate.

FORBES: Outlook 2012: Can U.S. Dollar Bulls Keep Hold Of The Reins?

Because they make their money on the interest rate differential.

FORBES: It Won't Just be the US Downgraded