phtlc's comments are in boxes; mine are not.
There is no evidence to suggest we need massive population growth for economic growth
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I never suggested we did; what I spoke of was the ratio of young workers to older workers. I don't see how I could possibly have expressed myself on this point more clearly.
I don't know how your social programs are structured in Canada, but in the US both Social Security and Medicare depend on those currently working to pay the current costs of funding retiree benefits. So the ratio of employed to retired is critical to the operation of the system.
As automation and technological advances continue to increase exponentially a great many traditional jobs will continue to become obsolete. Hence future generations will not have work. If there is no work, and we decide to bring in mass numbers of people in who will not have job prospects, how will these people support this aging population? If we don't see growth in jobs we don't need more people.
This is true; automation is a disruptive force to virtually every aspect of our economy. This may or may not supersede the importance of increasing the ratio of younger to older workers. It's simply not possible to know how automation is going to be addressed.
Quite simply, if half the jobs are lost, then not only do half of the incomes go away, but the tax base collapses as well. Social Security and Medicare would implode, and government would be unable to function. Automation is a wild card. Basically, automation has the capacity to over turn every economic principal upon which the world is based.
Part of the reason our middle class has thrived is because we tended not to have explosive population growth. Too many of the stakeholders in the IRB and related industries wish to change that.
Nonsense; show me the evidence that "the middle class thrived" because population growth was restrained. This is just made up economic theory.
The period after WWII saw US population growth explode (The Baby Boom, of which I am a part) and it was correlated with a period of economic growth in the US which was the greatest ever seen by any country and any time in mankind's history. The evidence on the table proves you wrong.
And what the hell is the IRB? Google thinks it's the "Institutional Review Board". Myself, I have no idea.
I think the book you refer to is "The Next 100 Years" by George Friedman. He had some interesting (and questionable) theories, but don't forget he also wrote in the same book about the creation of "death stars" (presumably ones that can't be defeated by a photon torpedo through an exhaust port.
I updated my post to include the book title. But I have absolutely no memory of anything related to death stars. The parts of the book which dealt with demographic changes, however, were the best founded in my opinion.
First, my southern neighbors ar the US, and other than the fact that your beer sucks I don't piss on you.
I wasn't speaking to or about you.
You do however fall prey to the classic tactic of accusing anyone who critiques immigration policy as "pissing on" immigrants.
Building a wall and telling a neighboring country that they are going to pay for it IS a form of pissing on your neighbor. As is referring to people from that country as thugs, criminals, rapists and "some, I suppose are decent people."
Trump is inciting and manipulating racist and nativistic sentiment for political gain. It's a shitty thing to do to your neighbors, and I doubt that they'll quickly forget the various insults. I know I wouldn't. The 'pissing' also includes the scapegoating of immigrants for problems created by others which I address below.
I would be curious to hear more about your assertion that we are dependent on them. If by that you mean that they do jobs we will allegedly not do, I disagree. With the exception of maybe certain agricultural jobs, most people here will work. As a matter of fact we have had numerous scandals up here in Canada where companies applying for temporary foreign worker (TFW) permits (they can be paid 15% less than minimum wage)under the guise that they couldn't find Canadians who would do the job, were found to have turned away Canadian applicants with experience.
Employment issues are about supply and demand. Automation reduces the demand for labour. Immigration increase the supply of labour. Both are factors.
I haven't seen the oxford study you refer to so I can't comment but I don't doubt it's findings. Again up here our current crowned child prince Justin Trudeau has told Canadians we have to get used to job churn which means we have more people than jobs and that this imbalance is going to get worse rather than better due to decreasing job opportunities. Despite this, Justin junior also told Canadians (about a week later) that he planned to massively increase Canada's immigration policy with the intention of tripling our population.
I don't know enough about Canada to have any comment on this.
Read up on Jeorge Borjas from Harvard, himself an immigrant; he has pointed out that immigration in excess of what is truly needed only results in a transfer of wealth from the middle and lower class to the wealthy.
I have no argument with this. The key phrase, of course, if "in excess of what is truly needed". In my county immigration has been used as a red herring issue to provide cover for a number of other factors which have been substantially more detrimental to the middle class; outsourcing of jobs, and declining government employment among them (and by government employment, I mean all of the things which government funds, like roads and bridges, education, science and research, etc.).
The relentless move to reduce taxes on the wealthy, and shift from a progressive to a flat or
even regressive tax system has shifted staggering amounts of wealth into the hands of a limited number of people. And money in the pockets of the wealthy behaves completely differently than money which is paid in wages, and which continues to circulate and spawn further economic activity. Not only are we not priming the pump, we have continued to look for more and more creative ways to drain the pump and make sure it doesn't work. Mexicans, however, make a nice scapegoat, as if people who mow lawns or perform child care for eight dollars an hour are having any realistic impact of John and Betty Doe -- who need to make in excess of fifty thousand a year to pay off student loans, purchase health care, fund retirement, save for children's college expenses and pay for the increasing tax burden which the wealthy have managed to avoid.