Table 10 NPV of earnings of Ph.D. degree at alternative retirement ages.
From: Appraising the lifetime private economic returns of postgraduate degrees: Evidence from Pakistan
Retirement Ages | Earnings | Ph.D. degree from Pakistan | Ph.D. degree from Foreign |
|---|---|---|---|
55 Years | NPV of Ph.D. earning (NPVphd) | 6.1 M | 3.58 M |
Percentage change in earnings of Ph.D. over non-Ph.D. faculty | 44.30% | 26% | |
The net rate of return of a Ph.D. degree over the cost of a Ph.D. | 111% | −43% | |
Percentage change in earnings relative to 60 Years | −2.20% | −3.80% | |
60 Years | NPV of Ph.D. earning (NPVphd) | 6.85 M | 4.37 M |
Percentage change in earnings of Ph.D. over non-Ph.D. faculty | 46.50% | 29.80% | |
The net rate of return of a Ph.D. degree over the cost of a Ph.D. | 237% | 68.50% | |
65 Years | NPV of Ph.D. earning (NPVphd) | 7.4 M | 5.1 M |
Percentage change in earnings Ph.D. over non-Ph.D. faculty | 47.90% | 33% | |
The net rate of return Ph.D. degree over the cost of a Ph.D. | 256.20% | 79.90% | |
Percentage change in earnings relative to 60 Years | 1.40% | 3.20% |