public void Run()
        {
            var historicalReturns = VwelxHistoricalReturns.Select(_ => _ / 100).Reverse().ToList();

            var dynamicSwrSim = new DynamicSwrSimulation(historicalReturns, 40, 100);

            var fourPercentSim = new StaticSwrSimulation(historicalReturns, HistoricalCpi, 0.04);

            var threePercentSim = new StaticSwrSimulation(historicalReturns, HistoricalCpi, 0.03);

            dynamicSwrSim.RunSimulation(StartingAmount);
            fourPercentSim.RunSimulation(StartingAmount);
            threePercentSim.RunSimulation(StartingAmount);

            System.Console.WriteLine("Dynamic SWR");
            System.Console.WriteLine("Historical account balance:");
            foreach (var item in dynamicSwrSim.HistoricalAccountBalance)
            {
                System.Console.WriteLine(item);
            }
            System.Console.WriteLine("Historical withdrawals:");
            foreach (var item in dynamicSwrSim.HistoricalWithdrawalAmount)
            {
                System.Console.WriteLine(item);
            }

            System.Console.WriteLine();

            System.Console.WriteLine("4% SWR");
            System.Console.WriteLine("Historical account balance:");
            foreach (var item in fourPercentSim.HistoricalAccountBalance)
            {
                System.Console.WriteLine(item);
            }
            System.Console.WriteLine("Historical withdrawals:");
            foreach (var item in fourPercentSim.HistoricalWithdrawalAmount)
            {
                System.Console.WriteLine(item);
            }

            System.Console.WriteLine();

            System.Console.WriteLine("3% SWR");
            System.Console.WriteLine("Historical account balance:");
            foreach (var item in threePercentSim.HistoricalAccountBalance)
            {
                System.Console.WriteLine(item);
            }
            System.Console.WriteLine("Historical withdrawals:");
            foreach (var item in threePercentSim.HistoricalWithdrawalAmount)
            {
                System.Console.WriteLine(item);
            }
        }
示例#2
0
        public void FourPercentSimulationTest()
        {
            var historicalCpi = new List <double>()
            {
                1, 1.02
            };
            var historicalReturns = new List <double>()
            {
                .06, -.06
            };

            var sim = new StaticSwrSimulation(historicalReturns, historicalCpi, 0.04);

            sim.RunSimulation(100);

            Assert.AreEqual(91.8192, sim.HistoricalAccountBalance.Last(), 0.001);
        }
        public void Run()
        {
            int yearsOfRetirement = DeathAge - RetirementAge;

            int numberOfSimulations = VwelxHistoricalReturns.Count - yearsOfRetirement;

            var simList = new List <StaticSwrSimulation>();

            for (int i = 0; i < numberOfSimulations; i++)
            {
                var historicalReturns = VwelxHistoricalReturns.Select(_ => _ / 100).Reverse().Skip(i).Take(yearsOfRetirement);

                var historicalCpi = HistoricalCpi.Select(_ => _ / 100).Skip(i).Take(yearsOfRetirement);

                var staticSwrSim = new StaticSwrSimulation(historicalReturns, historicalCpi, 0.04);

                staticSwrSim.RunSimulation(StartingAmount);

                simList.Add(staticSwrSim);
            }

            System.Console.WriteLine("HistoricalAccountBalance:");
            foreach (var sim in simList)
            {
                System.Console.WriteLine(String.Join(',', sim.HistoricalAccountBalance));
            }

            System.Console.WriteLine("HistoricalWithdrawalAmount:");
            foreach (var sim in simList)
            {
                System.Console.WriteLine(String.Join(',', sim.HistoricalWithdrawalAmount));
            }

            System.Console.WriteLine("Num payments left:");
            foreach (var sim in simList)
            {
                var lastPayment = sim.HistoricalWithdrawalAmount.Last();

                var finalBalance = sim.HistoricalAccountBalance.Last();

                System.Console.WriteLine(finalBalance / lastPayment);
            }
        }