Sorry, not a very quantitative question, but does anybody know who was the first person to write down and publish the 3/2 stochastic volatility model? I need this for a reference/bibliography.

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    $\begingroup$ Lewis (2000, Option Valuation under Stochastic Volatility) claims authorship for the 3/2 model on page 54 pointing out that Heston (1997) derived the model independendly. $\endgroup$ – Kevin Jul 17 '19 at 7:34
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    $\begingroup$ I have just looed some other papers which refer to Heston (1997) and Platen (1997, A Non-Linear Stochastic Volatility Model) as original source. $\endgroup$ – Kevin Jul 17 '19 at 7:40
  • $\begingroup$ Thanks! yes I think Heston and Platen indeed. $\endgroup$ – Frido Rolloos Jul 17 '19 at 7:46

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