LBO question (modeling margin contraction)

Currently working on an LBO modeling test, where EBITDA growth is significant (6x) over the 5 year investment horizon.

Typically on these models I assume entry=exit muliple.....but when EBITDA growth is this high, your IRR becomes pretty insane over the 5 year horizon. To counter this, would you model multiple contraction from entry to exit (i.e. you get in at a 15x EBITDA and exit at a 10x EBITDA)? Logic behind the contraction being that you pay a higher multiple at entry for the upcoming higher growth, but then exit at a lower multiple due to lower future projected growth. Does this make sense at all?

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Of course without knowing the details of the business it’s hard to answer precisely, however yes you are right.

I worked on a deal where growth in the plan was double digit (highly fragmented market so significant consolidation opportunity) and we could justify paying 14x, but assumptions at exit were in line with more mature companies which traded in 11-12x range.

 
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