Table 1 Simulation assumption.

From: Investment risk-taking and benefit adequacy under automatic balancing mechanism in the Japanese public pension system

Stock weight (SW)

 

Inflation

Wage growth rate

Investment return

0%

Mean

Economic assumption 3

1.20%

2.30%

0.70%

Economic assumption 5

0.80%

1.60%

0.49%

Standard deviation

0.91%

1.62%

2.56%

Correlation

Inflation

1.0000

0.5494

0.2590

Wage growth rate

0.5494

1.0000

0.0420

Investment return

0.2590

0.0420

1.0000

25%

Mean

Economic assumption 3

1.20%

2.30%

2.84%

Economic assumption 5

0.80%

1.60%

1.99%

Standard deviation

0.91%

1.62%

8.38%

Correlation

Inflation

1.0000

0.5494

−0.0721

Wage growth rate

0.5494

1.0000

0.0752

Investment return

−0.0721

0.0752

1.0000

50%

Mean

Economic assumption 3

1.20%

2.30%

4.03%

Economic assumption 5

0.80%

1.60%

2.82%

Standard deviation

0.91%

1.62%

12.32%

Correlation

Inflation

1.0000

0.5494

−0.0753

Wage growth rate

0.5494

1.0000

0.1027

Investment return

−0.0753

0.1027

1.0000

75%

Mean

Economic assumption 3

1.20%

2.30%

5.21%

Economic assumption 5

0.80%

1.60%

3.65%

Standard deviation

0.91%

1.62%

16.92%

Correlation

Inflation

1.0000

0.5494

−0.0740

Wage growth rate

0.5494

1.0000

0.1124

Investment return

−0.0740

0.1124

1.0000

100%

Mean

Economic assumption 3

1.20%

2.30%

6.40%

Economic assumption 5

0.80%

1.60%

4.48%

Standard deviation

0.91%

1.62%

21.75%

Correlation

Inflation

1.0000

0.5494

−0.0724

Wage growth rate

0.5494

1.0000

0.1167

Investment return

−0.0724

0.1167

1.0000