Question

In: Finance

The annual rates of return for Canadian common stocks and Japanese common stocks are provided in...

The annual rates of return for Canadian common stocks and Japanese common stocks are provided in the following table:

Year

Canadian Common Stocks

Japanese Common Stocks

2014

-.141

.051

2015

.088

.229

2016

.280

-.224

2017

.050

.313

2018

.210

.155

2019

.220

.009

1. Compute the arithmetic mean rate of return and sample standard deviation of rates of returns for the two series. Discuss these two alternative investments in terms of their arithmetic average rates of return and their risk

2. Compute the geometric mean rate of return for each of these investments (markets).

Compare the arithmetic mean return and geometric mean return for each investment and discuss this difference between the two means as related to the standard deviation of each series.

Assess the quality of the approximation through comparison with the direct estimate of the sample variance.

3. Calculate the inflation-adjusted rates of returns for Canadian and Japanese stocks. What are the implications for a long-term investor? Assume the inflation rate is 3% in Canada and 4.5% in Japan.

Solutions

Expert Solution

Arithmentic mean computation

Year

Canadian common stocks

Japanese Common stocks

2014

-0.141

0.051

2015

0.088

0.229

2016

0.28

-0.224

2017

0.05

0.313

2018

0.21

0.155

2019

0.22

0.009

Total return for 6 years

0.707

0.533

Arithmetic mean = Total return for all periods / no. of periods

Arithmetic mean = Total return for 6 years / 6

Arithmetic mean for Canadian common stocks = 0.707/6 = 0.1178

Arithmetic mean for Japanese common stocks = 0.533/6 = 0.0888

Standard Deviation computation

Year

Canadian common stocks

Mean

Deviation from mean

Square of deviation from mean

2014

-0.141

0.1178

0.2588

             0.0670

2015

0.088

0.1178

0.0298

             0.0009

2016

0.28

0.1178

-0.1622

             0.0263

2017

0.05

0.1178

0.0678

             0.0046

2018

0.21

0.1178

-0.0922

             0.0085

2019

0.22

0.1178

-0.1022

             0.0104

Step 1: Sum of squared deviation from mean ---> 0.1177

Step 2 : Step1 / no. of preriods ----> 0.1177 / 6 = 0.0196

Step 3 : Square root of Step2 ---> 0.1401

Standard Deviation of Candian common stocks ---> 0.1401

Year

Japanese common stocks

Mean

Deviation from mean

Sqaure of deviation from mean

2014

0.051

0.0888

0.0378

             0.0014

2015

0.229

0.0888

-0.1402

             0.0197

2016

-0.224

0.0888

0.3128

             0.0978

2017

0.313

0.0888

-0.2242

             0.0503

2018

0.155

0.0888

-0.0662

             0.0044

2019

0.009

0.0888

0.0798

             0.0064

Step 1: Sum of squared deviation from mean ---> 0.1799

Step 2 : Step1 / no. of preriods ----> 0.1799 / 6 = 0.0300

Step 3 : Square root of Step2 ---> 0.1732

Standard Deviation of Candian common stocks ---> 0.1732

Summary of arithmetic returns and standard deviations

Arithmetic returns

Standard Deviations

Canadian common stocks

             0.1178

             0.1401

Japanese common stocks

             0.0888

             0.1732

Based on summary it is evident that Canadian common stocks carry higher arithmetic returns and lower standard deviation in comparison to Japanese common stocks


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