One fundamental assumption often made in the literature on unawareness is that risk preferences are invariant to … changes of awareness. We study how exposure to unawareness affects choices under risk. Participants in our experiment choose … treatment (i.e., a standard lottery), the treatment with awareness of unawareness of lottery outcomes but known number of …

One fundamental assumption often made in the literature on unawareness is that risk preferences are invariant to … changes of awareness. We study how exposure to unawareness affects choices under risk. Participants in our experiment choose … treatment (i.e., a standard lottery), the treatment with awareness of unawareness of lottery outcomes but known number of …

We analyze how HIV-knowledge influences condom use across the sexes. The empirical work is based on a household survey … questions on knowledge of the existence of HIV, HIV prevention, HIV stigma, intended pregnancy, and risk perceptions of engaging … in unprotected sex. We observe a large HIV knowledge gap between males and females. Moreover, across the sexes different …

soonerappear to tolerate greater degrees of risk because others lack the knowledge toassess the opportunity properly. Knowledge … socialcapital, are not adequately emphasized in the literature on risk. Entrepreneurscan be embedded in knowledge …