Is it true that we can only use the IRR to compare 2 projects, if both projects have: 1)the same initial Investment amount and 2) the same life time?
If so, how do we compare two projects that do not fulfil both of the aforementioned criteria by means of IRR?
Could you Maybe come up with a numerical example? Thanks a lot
IRR is that rate at which the NPV of cash flows is zero. We can use IRR even if one of the conditions is not satisfied since it gives the internal rate of return of the projects cash flows.
For example:
Year | ProjectA | Project B |
0 | -5000 | -10000 |
1 | 500 | 500 |
2 | 1000 | 1000 |
3 | 1500 | 2500 |
4 | 2000 | 4000 |
5 | 2500 | 5500 |
IRR | 12.01% | 7.97% |
We see that the IRR of the project with higher investmet is lower. So we should pick the project with lower investment since it has higher Internal return.
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