You can combine the effects of your evil eye and your jinx.
Benefit: When a creature fails its save against your evil eye hex, add the effect of your jinx to the effect of the hex. The save penalties from the hex and jinx stack. Using your jinx on another creature does not end the hex or the jinx effect on the hexed target.
Section 15: Copyright Notice – Pathfinder Player Companion: Halflings of Golarion
Pathfinder Player Companion: Halflings of Golarion. Copyright 2010, Paizo Publishing, LLC; Authors: Hal MacLean and Amber E. Scott.