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might be based on the anticipated acute aging and decline of China's population within 20 to 30 years:

increasing pollution might aggravate the health and healthcare situation in Chinese society and ultimately put more of a burden on the aging and shrinking pool of laborers than decelerated economic growth in a relatively cleaner -- and healthier -- environment would.

this is pure speculation, but i wonder if quantitative analyses could be made that would make such a scenario plausible -- and frightening -- enough to worry Beijing bureaucrats.

Cynicism is intellectual treason.

by marco (cowannar at gmail punkt com) on Sun Jul 27th, 2008 at 07:37:27 AM EST
[ Parent ]
I believe someone deconstructed the "demographic bomb" scenario a while back. And the Chinese can certainly do that math as well as anybody, should they be inclined to do so.

- Jake

If you only spend 20 minutes of the rest of your life on economics, go spend them here.

by JakeS (JangoSierra 'at' gmail 'dot' com) on Sun Jul 27th, 2008 at 01:06:10 PM EST
[ Parent ]
I have not read that diary and at the moment cannot.

What is its thrust and application here?

The Chinese can do the numbers, and some most certainly have.  I am simply proposing this as one possible way to convey the importance of getting the environment in shape over continued aggressive growth.

Cynicism is intellectual treason.

by marco (cowannar at gmail punkt com) on Sun Jul 27th, 2008 at 08:24:49 PM EST
[ Parent ]
i'm sorry, i did read that diary.

her point is well taken (if i understand correctly) that in the long-run (around 150 years), current birthrates do not really matter as far as the resulting make-up of "working age" vs. "non-working age" segments of the population.

i will see if i can find some numbers on what the changing demographics of China's population are, in particular with respect to the balance of working age to non-working age people.

Cynicism is intellectual treason.

by marco (cowannar at gmail punkt com) on Sun Jul 27th, 2008 at 10:02:07 PM EST
[ Parent ]
Those are the percentages of the working age population of China extrapolated to those years, based on this animated graph:

As a pure layperson, it seems to me that such a significant drop in the ratio of the working to non-working population is likely to pose a big challenge to Chinese society in the next four decades.

Cynicism is intellectual treason.

by marco (cowannar at gmail punkt com) on Sun Jul 27th, 2008 at 10:13:12 PM EST
[ Parent ]
Sorry the correct numbers are:

  1. 60.5%

  2. 52.9%

  3. 48.1%

(updated as of May 15, 2008)

Cynicism is intellectual treason.
by marco (cowannar at gmail punkt com) on Sun Jul 27th, 2008 at 10:21:45 PM EST
[ Parent ]
Usually, as the number of retirees grow the number of children fall in parallell. The fraction of non-productive citizens in society is remarkably constant over time. At least in Sweden that number has been almost constant for the last 300 years.

So I think the talk about the global demograpic crisis is overblown.

Peak oil is not an energy crisis. It is a liquid fuel crisis.

by Starvid (arvid.hallen at gmail.com) on Mon Jul 28th, 2008 at 11:22:25 PM EST
[ Parent ]
The fraction of non-productive citizens in society is remarkably constant over time.

Depending on what you consider "constant", China may not be a typical society in this respect.

The number of non-productive citizens went from 50.8% in 1950 to 57.5% in 1970 to about 40% today.

This is probably due in large part to China's birth control policy, among other things China went through in the last 60 years (and more).

Cynicism is intellectual treason.

by marco (cowannar at gmail punkt com) on Tue Jul 29th, 2008 at 02:52:30 AM EST
[ Parent ]

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