I think of these terms differently that most people seem to. Tyler and Bryan seem to be referring to things that think will be demonstrably better or worse in the future. This seems to me like a forecast.
I, on the other hand, see optimism and pessimism as a disposition. When I say I am a pessimist I mean that I am more concerned than the average person about all of the ways things can and will go wrong and I think that most people are naively oblivious to the harm they are causing others.
In any case if we are talking forecasts I will say this
1) I think the medium term future for the global economy is extraordinarily bright. That in the next 25 years or so the majority of human beings born on earth can expect to live what I might call a life of opportunity. One in which day-to-day survival is trivial.
2) I think that convergence will proceed at a more rapid pace in the future than it has in the past. That poor countries will grow richer faster.
3) I think that immigration restrictions in the Western Hemisphere will fall dramatically, particularly in the US and Canada, opening up wide-open spaces for people to live and work.
4) I think Europe will decline markedly as an area of economic and cultural importance but the quality of life for people there will remain fairly high and that it will earn rents from being “the world’s museum”
5) I think that violence in the world will continue to fall for the next 30 years or so.
6) I think medicine will hit its next “big bang” in roughly 40 years or so when the ability to remove disruptive long-lived molecules from cells will be practical. This in effect will create rejuvenation. As a side note I think rejuvenation is the only serious effort to combat most of the diseases that plague the western world today. (Hopefully I will still be blogging that all of the life extension in medicine can be traced to: antibiotics, vaccination, sterilization, anesthesia and rejuvenation)
7) I think there is a reasonable chance that we will see the implosion of many old national governments over the next 60 years or so and that there is a reasonable chance that this will be a relatively peaceful process.
8) Consequently I think the number of nations will rise over the next 75 years and that the nation state will end in a great blur. Sort of like how South Florida is composed of many different cities but no one really cares that much.
9) I think that within 100 years the singularity will be reached and subsequently the fundamental nature of life on earth will radically alter within a matter of years or possibly months.
10) I think between here and the singularity there are challenges but that most revolve around a small group of people either intentionally or more likely, by mistake, killing a large portion of humanity.
The things that we commonly worry about: global warming, the decline of education, antibiotic resistance, the wearing out of the Flynn effect, entitlement debts. fresh water shortages, etc will be speed bumps at worst and likely neutralized almost completely by technology.
Lastly as a aside to Byran I predict that in 50 years it will be conventional wisdom among the quirky intellectual set – perhaps what he means by Masonic – that:
- We probably exist in a simulation
- Free will is an illusion and I mean a genuine illusion, like a mirage.
- Its reductionism . . . all the way down.
- Emulations are just as meaningful as flesh and blood humans, since humans are just simulations anyway.
- The creation of new life is a morally ambiguous exercise
My confidence on these predictions is low but I am still willing to bet, if Bryan is interested in arranging something.
Some readers may be interested in how I can predict (2) and (5). I think some people will gloss over the issue and others will cheekily say that obviously living your day to day life as if determinism were true is just not what was predestined to happen.

15 comments
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Wednesday ~ September 21st, 2011 at 2:51 pm
Becky Hargrove
There is a (historical) linear nature to your optimism that I envy. Nothing like the occasional scratching around in the dirt to make one worry about potential non-linear effects of the mid-term!
Wednesday ~ September 21st, 2011 at 2:53 pm
Joshua Probert
Sterilization? Creepy.
I think information theory, chaos theory and Heisenberg’s uncertainty principle make questions about reductionism and free will physically impossible to deduce.
Wednesday ~ September 21st, 2011 at 3:03 pm
Joseph
What is the singularity?
Wednesday ~ September 21st, 2011 at 4:43 pm
Craig
Here, let me Google that for you:
http://lmgtfy.com/?q=the+singularity&l=1
Wednesday ~ September 21st, 2011 at 4:42 pm
Craig
Free will may be the ultimate “noble lie.” We may be automata, but automata are happier if they have been programmed to believe that they choose their actions. And I guess it’s better to be a happy automaton than a sad one. Not that my opinion matters much–assuming I have such a thing. Assuming that there is a “me.”
Wednesday ~ September 21st, 2011 at 5:49 pm
IVV
Considering the Hansonian singularity concept of subsistence-level ems, note that if we are automata, if we are ourselves simulations, then we are all probably at subsistence level anyway. For how many more outside-of-simulation resources does it take to make a simulation feel healthy, well-fed, and fulfilled, as opposed to starving and in despair?
Wednesday ~ September 21st, 2011 at 8:38 pm
Corey Mutter
Are you (like the LessWrongers) concerned about unFriendly AI as the method by which some small group could accidentally kill a lot of people?
Wednesday ~ September 21st, 2011 at 10:31 pm
Rick Russell
I think it’s way, WAY too early to decide whether the universe is a simulation. There are an awful lot of particle and astrophysicists out there who would question whether physical phenomena can be considered as output of a deterministic computer simulation. Indeed, some physical theories (e.g. Bell’s inequality) would overly deny that phenomenon.
But, if this is the madness that infant care drives you to, I say: keep up with the madness.
Thursday ~ September 22nd, 2011 at 1:10 pm
Thursday links: on their own | Abnormal Returns
[...] Things to be optimistic (and pessimistic) about. (Marginal Revolution, EconLog, Modeled Behavior) [...]
Thursday ~ September 22nd, 2011 at 1:12 pm
Thursday links: markets on their own | Abnormal Returns
[...] Things to be optimistic (and pessimistic) about. (Marginal Revolution, EconLog, Modeled Behavior) [...]
Thursday ~ September 22nd, 2011 at 4:51 pm
Brett
I wouldn’t be surprised about the “free will as illusion” part either. Neuroscience is hinting in that direction, and we might very well completely understand and have mapped the human brain in 50 years.
Thursday ~ September 22nd, 2011 at 7:42 pm
Robin Hanson
What about making creatures who prefer to exist, and who can pay for their existence? Is that morally ambiguous as well?
Saturday ~ September 24th, 2011 at 3:29 pm
fourem
Entities that do not exist do not have preferences. Ex-post ratification of existence is not the same as ex-ante preference for existence.
And how, generally do you identify a creature’s preferences? Revealed preference is useful for doing economics, but as a positive claim, it’s fallible: every hour of the day, a person does things that are not their optimal preference.
Making preference the criterion also seems arbitrary. People prefer things that aren’t in their interest or aren’t good for them. Why are preferences the lynchpin rather than interests or what’s good?
Friday ~ September 23rd, 2011 at 3:02 pm
Frank Youell (@fyouell)
“I think that immigration restrictions in the Western Hemisphere will fall dramatically, particularly in the US and Canada, opening up wide-open spaces for people to live and work.”
In a country with 9.1% unemployment and 17% underemployment that’s obvious.
In a country where wages have fallen by 28% to 66% over the last few decades, that’s obvious.
In a country where unskilled immigration is becoming an every bigger fiscal disaster (ObamaCare), that’s obvious.
In a country where immigration and failed schools are becoming synonymous, that’s obvious.
It’s all obvious.
Saturday ~ September 24th, 2011 at 2:50 pm
BTI
Caplan didn’t say Masonic. He said “Masonomic.” Meaning “reflecting the beliefs of the George Mason economics department.”