# Growth rate of return for continuous compounding

## Input(s)

\(t\): Time (years)

PI : Profitability Index (dimensionless)

\(i_{d}\): Reinvestment Rate (fraction)

## Output(s)

GRR: Growth Rate of Return (fraction)

## Formula(s)

\[
\mathrm{GRR}=\frac{1}{\mathrm{t}} * \ln (\mathrm{PI})+\mathrm{i}_{\mathrm{d}}
\]

## Reference(s)

Mian, M. A. 2011. Project Economics and Decision Analysis Volume 1: Deterministic Models, Second Edition. Tulsa, Oklahoma: PennWell Corporation. Chapter 6, Page: 351.