[Haskell-cafe] why are trading/banking industries seriously adopting FPLs???

Tom Murphy amindfv at gmail.com
Fri Mar 25 21:10:43 CET 2011

> Why can they assess the risk and the probable benefits of trying out
> another innovation and can contain the risk? Because they can do that of
> almost anything. They are surviving investors. Trying out another innovation
> is just another investment, not unlike trying out another stock, another
> bond, another estate.
> Why can the computer security people not do the same? Because they are
> debuggers, not investors.
I agree with this point, but I think it could be said to have as much or
more to do with the qualities of the field, as the qualities of people in
the field.

     Finance and trading are extremely quantifiable fields. An increase in
speed of execution can fairly accurately be assigned a dollar value in ways
that a field like compute security can't.

     Reasoning about the payoff of switching to another technology becomes
harder. Even after a technology has been successfully adopted, it's hard to
say what the payoffs were! A political climate, where ideas are more
assailable, arises, and people huddle under the shelter of what's commonly
accepted. "Quant" people might do the same, if they were in that type of

     In finance, you hear a lot more of "Don't believe me? Fine. The results
will speak for themselves."
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