Bomb#20
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The discussion is about your claim "Germany needs immigration to avoid the fate of Japan". The notion that overcrowding is not relevant to the discussion is insane. Too much immigration will give Germany the fate of Japan.The discussion has nothing to do with overcrowding. It is a discussion of the distribution of the ages of people in the population.
Maybe, maybe not. It depends on the cost of living, the retirement age, life expectancy at retirement, what sources of retiree income there are besides the payroll tax, yada yada. Sure, you can say "all things equal"; but why should all things be equal? The policy decisions and cultural changes that affect whether there are eight or two workers per retiree will probably affect those other factors too.If there are eight workers for everyone who is retired the payroll taxes for the eight workers will be lower than if there are only two workers for everyone who is retired.
Those factors aren't the same in all subcultures. The cost of raising a child varies between subcultures, as does the number of women pursuing careers, and people's willingness to put up with low standards of living. Some subcultures stay poor and breed like rabbits generation after generation while those around them have a demographic transition. Israel's Haredi are an example.It just means subcultures that breed faster than this will become a higher fraction of the population and the rate will pop back up over a period of generations.
Of course, one of the many reasons that the birth rate has dropped is because women want to pursue their careers and that few fathers aren't willing to abandon their careers. But the main reason is that the cost of raising a child in the developed countries is high, meaning that couples are having fewer children. And these factors are the same for the subcultures, most tend to limit the number of children that they have in the second and third generations in a developed country.
Three generations isn't very many data points to base long-term extrapolation on.It any of these factors might be temporary, but it hasn't been in Japan.
That's a counterargument on a level with what comes out of creationists' mouths. Learn some biology. "Genes for wanting babies" is no more a theory of yearning genes than "Genes for being tall" is a theory of tall DNA molecules. A "gene for X" simply means a DNA variant at a particular location that by some (usually very indirect) mechanism causes the organism to be more likely to have feature X. Practically any difference of any organism from the average can have been made more or less likely by some genetic difference.This approaches babbling. I need some more explanation before I can accept the "Theory of Yearning Genes."
That's the case only as long as people don't use sex-ratio-influencing technologies. For instance, in China it would take more than 2.1 babies per woman to prevent future population decreases, due to all the preferential aborting of female fetuses there.In the second place, the replacement fertility rate is a function of the sex ratio. If average women against all odds continue to only want 1.86 babies in the long term, that's nothing that can't be dealt with simply by making 86 baby boys per 100 baby girls. Sperm sorting technology is on its way.
And in the third place, the "not enough workers to support them because their birth rate is no longer replacing those who die" argument is qualitative, and not sensitive to the difference between 2.099 and 1.86. If you want to make an issue of how far below 2.099 1.86 is, you'll need to present a quantitative argument and run the numbers.
You asserted that 2.1 is the birthrate needed to maintain the population and I have no reason to doubt it. Any birthrate under this will mean that the population decreases. Any birth rate greater than 2.1 and the population will increase.
Yes, that was my point. You have no basis for saying that a decrease is a problem full stop. If you want to show there exists a problem for immigration to solve, you'll need to show how fast a population decline it takes for the decline to become a problem.The only thing that lower birth rate of 1.86 and 2.099 will mean is the speed of the decrease in the population.
Clearly you didn't take my point. Sorry about the ambiguity. I didn't mean only the bit at the end, "work until you die, and even then it will continue to get worse." makes no mathematical sense. What I meant was, none of it makes mathematical sense. Show your work for why you believe " as long as the birth rate stays below the replacement rate the problem will keep getting worse, requiring people to work even longer past a common retirement age". <== THAT makes no mathematical sense.Show your work. What you wrote makes no mathematical sense.Yes, working past retirement is a solution for a lower birth rate but it only is a stop gap, measure, as long as the birth rate stays below the replacement rate the problem will keep getting worse, requiring people to work even longer past a common retirement age. Finally it will be work until you die, and even then it will continue to get worse.
Point taken. If everyone works until they die then no one will retire. What I said makes no sense.
But do you want to work until you die to lessen the strain on Social Security?
Why would you imagine that a birth rate of 2.05 instead of 2.1 wouldn't be compensated for by some specific retirement age higher than 66, say, 67? And an even lower birth rate, say, 1.9, wouldn't be compensated for by some even higher specific retirement age, say, 70? Where are you getting the notion that if it's 2.09 then we'll have to continuously crank the retirement age higher and higher until nobody gets to retire?
What's your point? The industry is doing a whole lot more than it did forty years ago. You could have made the exact same argument about the car industry in 1926 -- "Look how much more machinery they're using, and yet look how many more autoworkers there are than in 1886." -- and it would have been a bad argument, because it ignores how many more cars were being built in 1926.What the heck are you talking about? Labor saving machinery is ubiquitous in service industries and computerization is only accelerating that trend.Increased automation is only going to help in manufacturing and we have pushed most of those jobs overseas. Most people in the US are now in the service industries.
The largest service sector is the financial sector and it is heavily computerized. In your opinion are there fewer people working in the financial sector and is the amount of money that they cost the economy more or less than it was forty years ago?
You misunderstand. I show no interest in learning economics any better ==> from you <==. I do not believe you are qualified to teach it. If you wish to persuade me that Germany needs immigration because four-legs-good-neoliberalism-bad or whatever the hell it is you're trying to argue, find a reputable economist to back you up, so I'll have some reason to suspect you know what you're talking about. You come off as a crackpot.I know that you are only an Econ 101 level of understanding of economics. You and I have discussed economics before. I also know that you show no interest in understanding economics any better than you already do.
You do not appear to be competent at explaining theories you disagree with. You appear to have a regrettable tendency to carelessly mix your own premises in with your opponents' premises, and then claim what your opponents are pushing is the resulting mixed-up mess.The University of Chicago is the hot bed of neoliberal economics. They push supply side economics, the idea that if we give all of the gains from automation to the rich that they will invest more, wages will go up and we will all become rich.
I don't believe you. Based on your track record, the fact that you say Friedman said those words does not give me any grounds to elevate my estimate of the probability that he said them. Feel free to provide a link, backing up your claim that he said that. But failing that, I'll take the fact that you put such implausible words in your opponent's mouth as telling me a great deal about the worth of your words, and nothing at all about the worth of Friedman's.The founder of neoliberalism, Milton Friedman of the University of Chicago, had a theory about wishing. He said that the economy could be changed by wishing, that all we have to do is to treat the economy as if it was the way that we wished it to be, and that it will behave for us as if it is the way that we wish it to be.
In any event, if your point is to denounce neoliberalism, there are better threads for it than this. So let us presume for the sake of argument that Chicago School economics is completely wrong. How does this help show immigration is needed? How does the hypothetical failure of the neoclassical synthesis help show that eight workers and five hundred machines had an easier time supporting a retiree than two workers and five thousand machines will have?