Didier Sornette Professions : Scientist Browse All Authors Famous Quotes by Didier Sornette When herding behaviour among investors ramps up, a stock's or index's growth rate can increase faster than exponentially, leading to more herding. This positive feedback brings the system to a tipping point. About two-thirds of the time, a crash results. Didier Sornette feedback growth time positive Economic theory dictates that the value of a company is basically the present value of its future profits. To estimate Facebook's value through its future profits, we need to have a view on its user growth and how this will evolve in the next 10 to 50 years. Didier Sornette value view future growth Similar Authors Bruce Ellis scientist Brian O'Leary scientist Amanda Feilding scientist Astro Teller scientist Arvid Carlsson scientist Antonie van Leeuwenhoek scientist All Authors
