Behavioural finance: what the polka dot maxi dress sensation has to do with investing City Talk THE polka dot Zara dress sensation comes to mind when considering recent examples of “herd bias”. The hugely popular dress, which has its own Instagram page dedicated to sightings of it, was initially a sell-out, and it seems herd mentality has been at play. However, this bandwagon effect, where people gravitate towards something because “everybody [...]
