Re: Defection Rates and Classes (was Parody of Science)

Tim Rhodes (
Tue, 17 Aug 1999 09:43:53 -0700

From: "Tim Rhodes" <>
To: <>
Subject: Re: Defection Rates and Classes (was Parody of Science)
Date: Tue, 17 Aug 1999 09:43:53 -0700

Derek wrote:

>Here's Tim's revised model:


>and here's some sample output.
>starting pop was 100 prof. to 900 worker, and I chose reproductive rate for
>prof. class at 0.4 (ie. 0.8 children per couple) and for workers at 1.5 (ie
>3 children per couple) Defection downwards was chosen to be 10% and
>to be 5%. Under these circumstances, the population increases at some 40%
>per generation, and the percentage of professional classes declines to an
>equilibrium level of about 6.6% effectively stable from generation 7
>Okay, any bids for realistic values? Shall we start with a pre-dem.trans.

Hey, I just came up with the equations -- I figured you'd find some numbers
to plug into them!



P.S.: BTW, if you ever write a paper on all this, just call it "the Rhodes
Effect" and I'll be happy.

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