Ahlfeldt et al. analyze 305 Swiss referenda and argue that aging effects swing free from cohort effects and status quo habituation effects. “The evidence, instead, suggests that voters make deliberate choices that maximize their expected utility conditional on their stage in the lifecycle.”
More on the question of what best explains these trends:
http://eprints.lse.ac.uk/88702/1/dp1552.pdf
Ahlfeldt et al. analyze 305 Swiss referenda and argue that aging effects swing free from cohort effects and status quo habituation effects. “The evidence, instead, suggests that voters make deliberate choices that maximize their expected utility conditional on their stage in the lifecycle.”