I try to do some tests to find a relationship between fertility and stringency indexes. When I use the fertility rate correlation between them will be positive but when I use logarithm of fertility the correlation will be negative. I do not think it makes sense. I search a lot but unfortunately, I could not reach a specific reason.
Code:
| Variables | (1) | (2) | (3) | (4) |
| (1) lnfer_change | 1.000 | |||
| (2) GDP_growth2 | 0.333 | 1.000 | ||
| (3) stringencyinde~s | -0.238 | -0.186 | 1.000 | |
| (4) GDP_growth | 0.250 | 0.863 | -0.197 | 1.000 |
Code:
| Variables | (1) | (2) | (3) | (4) |
| (1) fer_change | 1.000 | |||
| (2) GDP_growth2 | -0.074 | 1.000 | ||
| (3) stringencyinde~s | 0.346 | -0.186 | 1.000 | |
| (4) GDP_growth | -0.077 | 0.863 | -0.197 | 1.000 |
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