Wandi Bruine de Bruin has a new paper on decision making competence and aging

The new article suggests that age-related declines in decision-making competence are minor:

Del Missier, F., Hansson, P., Parker, A.M., Bruine de Bruin, W., & Mäntylä, T.  (in press).  Decision-making competence in older adults: A rosy view from a longitudinal investigation. Psychology and Aging.