Table 2 Summarizing sufficient conditions for \({f}_{g}^{{\prime}{\prime}}\ne 0\).

From: Characterizing the Jellinek curve using a discounting model with time deformations

  

Deformation g

  

Convex

Concave

Discount function F

Convex

?

?

 

Concave

convex

?

  1. Source: Own elaboration.