学习金融过程02 利率

利率：取决于违约风险

无风险利率：risk-free。仅指无违约风险。no default risk or credit risk, still have market risk

种类：

1. Treasury rates

2. LIBOR: London Interbank Offered Rate

3. SHIBOR: Shanghai Interbank Offered Rate

4. Repo: repurchase agreement rates

连续复利：近似于每日复利 

Rc连续复利利率，Rm每年复利m次