The majority of British home and motor insurance policies automatically renew annually, at a price chosen by the provider, unless consumers actively switch or negotiate. Auto-renewal can be beneficial to consumers for example by ensuring continuity of cover. However, the media, consumer groups...

The prediction market literature proposes that markets efficiently incorporate all available information. In contrast, behavioral finance assumes individual decision-making biases affect financial markets. We examine both using Iowa Electronic Market (IEM) data. We ask whether markets appear...

We first provide evidence of some retail investors taking real trading (selling) decisions which are clearly sub-optimal even from an ex-ante perspective. We then show that these investors also exhibit stronger investment biases, namely, the disposition effect, underdiversification, preference...

The dynamics between coexisting experts and non-experts has important implications for online market and platform design. We study their relationship in the context of crowdfunding. While crowdfunding originated as a non-expert market, experts have become active participants. We investigate the...