Final answer:
The Effective Duration (EDR) refers to a financial measure of a bond's price sensitivity to interest rate changes, encompassing changes in cash flows. 'Ro' could represent different concepts depending on the context, and without clarity, a comparison with EDR is not possible.
Step-by-step explanation:
The student is asking about the difference between the Effective Duration (EDR) and Ro. Since Ro isn't clearly defined in the question, it's challenging to provide a direct comparison without more context. However, if we assume that 'Ro' stands for 'modifications of duration' used in immunology or other specific contexts, it is not directly comparable to EDR.
Effective Duration (EDR) is a measure used in finance to estimate the sensitivity of a bond's price to a 1% change in interest rates. It takes into account that expected cash flows will fluctuate as interest rates change. It's a more advanced measure compared to Macaulay duration or modified duration, which also assess bond price sensitivity but don't account for changes in cash flows.
In conclusion, EDR is specific to finance and bond pricing, while 'Ro' without additional context, can refer to many different concepts across various fields. Without more information, a direct comparison isn't feasible.