I am reminded of investment analysts that are predicting an economic depression by comparing 1931 to today and those that overlay the 90's Japanese realty/stock markets on the present state.  Doomed to failure 'cuz most things in life and science are similar ... not replicated.

WRT Milankovitch, his studies and the derivatives include four components of solar and astronomic cycles.  When we look at graphs of the last two million years, we see seven general cycles.  But each one is unique.  And my work in looking at where we go from here is based on the underlying harmonics.  When several cycles are in play, the troughs and peaks of the four cycles are enhanced or diminished by the harmonics of the whole.  There are sub peaks and differences in the length character of the spikes for those reasons.

Freddy, I have some bad news for you: if you live another 10 years you will have encountered a depression as bad as the 1930s - if you / we are lucky. Even I am having problems comprehending how deep it might go, or how fast it happens. I know you won't believe me but just remember this, and when you see it start to go remember that it will go faster and deeper than you can possibly imagine.
Agric - I assume your projected depression is caused by reduced global oil production and shockingly high prices for energy, right?  Question:  when you project a "depression" do you factor into your projection the reduction in demand for global oil that the early stages of a depression (known as a "recession") will cause, and thus the reduced prices for oil during the recession that will begin to allow growth to re-occur and the recession to ease or even end?   And do you factor in the effects on changing energy use patterns that the intial shock of substantially higher oil prices will have on all societies?  By that I mean the accelerated change in the fleet toward higher efficiency, the reduction in purely optional travel (of which there is a large amount), the construction of more mass transit, the substitution of rail for truck, the increasingly local production of goods, the accelleration in development of nuclear, solar, wind, ethanol and coal gassification.

The only aspect of PO theory that I find unconvincing is the doomsday scenarious.  The reason I find them unconvincing is that they seem to exclude the impacts of price on demand and supply for crude, substitute energy sources, and human activities.   Not that there will not be painful adjustment periods.  But the end of civilization is not in the cards in my view.

In fact, when you consider the impacts on different economies, I think there is a good argument that China and India, particularly China, will pay much higher prices for the impact of PO than western economies because the high prices for transport will serve to move manufacturing back toward the source of demand, thus creating many more jobs in the developed economies and fewer in the now cheaper labor markets that are so far away.  Plus, the very energy wastefulness of developed economies, particularly the US, will make it far easier for them to cut back on their energy use.  This tendency will also mitigate the financial impact.

Net, net, I expect US stocks to tank very big time at some point, probably within the next five years, and for there to be an initial period of substantial unemployment.  But I think that will lead to a later stage of growth for our economy accompanied by vast adjustments to high energy costs.

There will be a recession and quite possibly a depression on a scale similar to the 1930s regardless of peak oil. The imbalances in the US and global economies make it near inevitable. I hope that peak oil becomes widely understood  before the recession hits so that appropriate actions can be taken for both, simultaneously. The nightmare scenario is recession slightly delaying peak oil and then peak oil hitting just as things start to turn up economically. The US is more dependent on oil than any other country and the proportionate reduction in wealth will be greater in the US than elsewhere.
Could be a recession just based on normal cyclicality of the economy, Fed tightening, housing bust, etc.  But the  question I raise is whether, as I predict, the feedback mechanism of a PO-generated recession will cause oil demand to drop to well below the available supply, leaving room for a subsequent (mild and limited) expansion - the net result being a far greater time horizon for the world to adjust to PO.  The real bottom line: no doomsday scenario - just a long hard slog until we reach a new equilibrium economy based on much much less use of fossil fuels.
Stuart took a whack at this in a post a couple of months ago.  His conclusion is that if the decline in oil is about 4% or less, the economy will remain stable and maybe grow a little in the future.  Anything more and we're SOL, probably for a long time.
It makes sense that the whole issue would be dependent on the rate of decline in oil available to the "free" market, post PO. My assumption is that it will be fairly mild for quite a few years.  That might change dramaticly if certain exporters decide it's in their best interest to husband their inventory.   In any case, I'd love to read Stuart's analysis.  Does anyone have link?  Thanks.
that information is nice to know and is needed.
but
you still need to take into account human behavior.

Basically the amount of decline is academic if all that is needed to trigger resource wars and other types of despair is the fact that it is declining no matter what you can do.

I agree geopolitics of one and kind another are the main uncertainties. But we at least have some degree choice about that...
Free choice, free will, the fixedness or malleability of the future? Is there any way of knowing?

Is choice real or illusion, does it matter? Perhaps geopolitical events are the consequence of build up of tensions and imbalances. Maybe we are just looking in the wrong direction?

Are geopolitical events merely the expression of a more underlying reality.

I'm sorry, many of the replies seem to be unaware of my first sentence: "There will be a recession and quite possibly a depression on a scale similar to the 1930s regardless of peak oil."

Stuart was talking about the effects of a slow squeeze on oil production, what I am talking about is independent of that.

The crux will be the timing and interaction of recession and PO, and the ways geopolitical events shape these, and these shape geopolitical events.

I am not saying that PO will cause a depression (though it would) I am saying there is going to be a recession regardless of PO. THERE WILL BE A RECESSION VERY SOON, no possible avoidance. Sorry if you don't like that, reality ain't gonna negotiate on it.

I agree with you, Agric.
I expect a Dow Jones depression and a Doug Jones boom, in America. It's the rest of the world that will have to figure out what to do without America buying all that stuff from them...
what is a Doug Jones boom?
Google "Doug Jones"

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It's a Democratic vs Republican talking point thing. The economy is doing very well in terms of the Dow Jones stock price index going up, but it is not doing very well in terms of Doug Jones take home pay going up.
So a collapse of stock, bond, real estate, and upper middle class income is not a bad thing for 80% of the US population. Keep in mind that most of the people on this website are in the top 5%, because they are professionals or small business people.
1% are institutionalised
4% are dependent on charity
15% are not able to afford a car and a house.
60% are able to afford a car and a house.
15% are able to afford a car, a house, and a retirement.
4% are able to afford a car, a house, a retirement, and a second home.
1% are able to afford pretty much anything.
The top 1% have done very well over the last thirty years.
The next 4% have done pretty well.
The next 15% have pretty much broken even.
The middle 60% have done slightly worse.
The next 15% have done significantly worse.
The next 4% are on charity and don't economically count.
The bottom 1% are institutionalised.
Things tend to move like a pendulum. It gets better, it gets worse, for different income groups, at different times.
Excellent post!! However, I think somewhat more than 1% of our population is institutionalized:
  1. Old folks and handicapped in nursing homes--millions . . . how many?
  2. Prisons and jails--millions . . . 2 million to the nearest million?
  3. State mental hospitals--less than a million. (Perhaps half of the homeless should really be there, because they are, strictly speaking psychotic.)

Any way you add it up, I think it has to be considerably more than 1%.

BTW I'm in your top 1%. But I got there by wanting only that which is truly good (e.g. good relations with family members, a reliable bicycle, a big old house with room for refugees, garden, small old sailboat, fabulously great sex life, etc.), and because I do not need much I have all that I want and sometimes some surplus to give away to The Nature Conservancy.

Our economy is horrendously dependent on oil and gas for transportation, heating, electricity. Expensive oil/gas turns McMansions all over the country into big piles of junk because they can't be heated, supplied, nor lived in because they'll be no economical way to get to and from them. The suburbs become pointless and detached wastelands.

This will not take place evenly -- it will eat away at the edges first, pieces dropping off like chunks of ice off glaciers. That's also the middle class -- a glacier -- gigantic chunks dropping off into the abyss.

What's overlooked in the rosier scenarios is the way capitalism works. If capitalism worked the way it was pictured, we wouldn't be where we are now, ready to take on the globe militarily. Capitalism cannot go into reverse, downsizing peacefully. The ever increasing capital intensity and concentration is key to the profitability of finance capital. It's a huge mistake to just look at physical and productive resources as just material stuff which can be deployed rationally. They exist as capital, meaning profitable, or they are junk and subject physical destruction. (This does not exclude people, who are also capital -- or not.)

It's also a mistake to confuse the capitalism we have now with early capitalism and "free markets". The big corporations, the gov't, the military are all intermeshed (not that there aren't big clashes and between factions.)

This capitalism will NEVER consider any solution to PO that doesn't involve greater capital investment and greater intensity. Those parts of the economy that cease being profitable will be junked, literally. But the junking will always be disguised in one way or another. PO will render ever greater parts of the economy unprofitable.

The tendency of people will be to look at land and housing and unused productive capacity as just that, and make efforts to utilize them in some kind of effort to survive. But these efforts will meet gov't hostility because they threaten withdrawal from the market and threaten profitablity.

The energy and capital intensive part of the economy will contract, leaving ever larger parts of the rest of economy to rot. This is already happening and has been happening for a long time on the world scale. Large sections of the third world are considered to be just such detritus, until there is resistance and interference with the "world" economy. They then become terrorists, needful of suppression.

The model is there: large parts of the US will piece by piece become part of an internal third world, needful of supression and gating off.

So you see, Agric is an optimist of sorts!