Overbiding on net is driven by fear.

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Fear is not only the mother of invention, it is also the reason why one pays through his nose while purchasing stuff online, says a new research. Worries about losing out at auctions may drive participants to pay over the odds, a brain imaging study shows. Websites such as eBay have fuelled the sale of goods through auctions, with some people becoming hooked, reports BBC News website. Brain Scans of people talking part in an auction showed those "overbidding" had a greater response to losing than to winning. React on this