Fig. 6From: A simplified model for measuring longevity risk for life insurance productsValues of the actual and theoretical correlations between \(\Delta \text {log}\left( \hat{q}_{x,t}\right)\) and \(\Delta \text {log}\left( \hat{q}_{y^{*},t}\right)\) for \(x=0\) to 99. a Spain male and b Spain female, 1975–2006Back to article page