Recent historical stock market returns have been very high, but to the extent that is due to higher valuations, future returns will likely be lower. There is ob

Recent historical stock market returns have been very high, but to the extent that is due to higher valuations, future returns will likely be lower. There is obviously a tradeoff between higher initial spending and a higher chance of running out of money. A Fortran simulation of spending rules assuming normally distributed returns is at https://github.com/Beliavsky/RetirementSpending https://github.com/Beliavsky/RetirementSpending . One can use the free gfortran compiler (part of gcc) to compile and run it.