A pricing model of corporation bond is built up, default assumed as a stochastic intensity process and related to risk-free interest rate.

在考虑企业债券违约风险的情形下，首先将违约看作具有不确定性的随机强度过程，对违约风险进行了建模。

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The second alarm is the widening in the spread between LIBOR and the relatively risk-free interest rate known as OIS (overnight indexed swap).

[color=#0000FF]第二个警报是LIBOR与相对无风险利率，亦被称为OIS（隔夜指数掉期利率），两者的差距不断拉大。

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What is a lower bound for the price of a four-month call option on a non-dividend-paying stock when the stock price is $28, the strike price is $25, and the risk-free interest rate is 8% per annum?

什么是一个较低的一个非，股息，支付的股票四个月呼叫选项的价格势必当股票的价格是$ 28，行使价$ 25，无风险利率每年8％？

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Spain was unable to borrow the maximum 3.5bn euros it wished to do - and investors ended up demanding the Spanish government pay an expensive 5% interest rate for supposedly risk-free 12-month loans (Belgium too didn't sell the maximum debt on offer).

BBC: Be scared when investors throw money at Germany

Now consider this: the Federal Reserve's quantitative easing III tactic explicitly targets the "risk free interest rate" - aiming to set it at a historic low, and thus influencing all related interest rates downwards.

BBC: Business

Banks generally will not lend funds in the money market at an interest rate lower than the rate they can earn risk-free at the Federal Reserve.

WSJ: Bernanke Op-ed in WSJ: The Fed��s Exit Strategy