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> Well, you still have to pay for the energy (to extract raw material and transform it into final product, and move final product into your hands).

But then you're back to having something that isn't automated. If machines do this then it's free. If you need people to do it then people have jobs.

> And as we move to the "we automate everything" end of the spectrum, the number of jobs lost would increase, the taxes collected (VAT, income, capital gain, etc.) would decrease (assuming the current tax system) and yet people (employed or not) would still education, health care, social security (retirement).

But things would also cost less, in the same proportion.

Suppose healthcare is 20% of the economy, can't be automated, and we automate everything else. Then tax revenue goes down by 80%, but so do costs, so people only need 20% as much in government services or those services only cost 20% as much to provide.

Meanwhile you still need people to be doctors and nurses but not other things, so more people become doctors and nurses. This drives down wages there, but that's fine when the doctors and nurses are also paying 80% less for everything. And at the lower wages you can justify more work to be done. More people do medical research, doctors get to spend more time with each patient, etc. Soon everyone has a job again.

Let's even consider the hypothetical where that can't happen. There are 8 billion people and only a million jobs. No other jobs are possible, somehow. How much are those million people going to get paid? Peanuts, because like everyone else they'd have negligible living expenses and they'd be in competition with 8 billion people for who would be willing to do it for the least amount of compensation. Their payment would be something like bragging rights, or all the slots would be filled by volunteers.

But in practice we would never "run out" of jobs because the supply curve always intersects with the demand curve somewhere. If demand goes down then price goes down because there is higher demand at the lower price.





> > Well, you still have to pay for the energy (to extract raw material and transform it into final product, and move final product into your hands). > But then you're back to having something that isn't automated. If machines do this then it's free. If you need people to do it then people have jobs.

Not sure to follow, machines need energy as input. So unless energy is free and unlimited, even if the machines run without people, there is a cost for the products. It is not free, even if that is 100% automated. At the very least you have to pay for the energy, if not for the raw materials.

> > And as we move to the "we automate everything" end of the spectrum, the number of jobs lost would increase, the taxes collected (VAT, income, capital gain, etc.) would decrease (assuming the current tax system) and yet people (employed or not) would still education, health care, social security (retirement). > But things would also cost less, in the same proportion.

Yes, things (material) and services would cost less. But still cost the energy to produce those things and services.

> Suppose healthcare is 20% of the economy, can't be automated, and we automate everything else. Then tax revenue goes down by 80%, but so do costs, so people only need 20% as much in government services or those services only cost 20% as much to provide.

Not sure why healthcare would not be 100% automated, but for the exercise, let's assume it still needs some people. Unless you also assume that unemployed people could get some ABI or SNAP from government (in US already 1 out 8 adult receives SNAP) to pay for food (cost less with 100% automation, but still cost the energy for fertilizer, tractors, transport, transformation), for shelter, etc. and pay for healthcare.

I am not sure if the gov lose 80% of its tax collection, it could sustain the population basic needs.

> Meanwhile you still need people to be doctors and nurses but not other things, so more people become doctors and nurses.

Not sure why we need doctors or nurses ? Doctors are mostly a sensor + decision tree... that speaks to the patient. I could see doctors and nurses to disappear eventually. It might take longer for robots to do surgery, but it should eventually come. So the cost should drop. Drugs manufacturing should be 100% automated too. Lab work automated.

> This drives down wages there, but that's fine when the doctors and nurses are also paying 80% less for everything. And at the lower wages you can justify more work to be done. More people do medical research, doctors get to spend more time with each patient, etc. Soon everyone has a job again. Let's even consider the hypothetical where that can't happen. There are 8 billion people and only a million jobs. No other jobs are possible, somehow. How much are those million people going to get paid? Peanuts, because like everyone else they'd have negligible living expenses and they'd be in competition with 8 billion people for who would be willing to do it for the least amount of compensation. Their payment would be something like bragging rights, or all the slots would be filled by volunteers. But in practice we would never "run out" of jobs because the supply curve always intersects with the demand curve somewhere. If demand goes down then price goes down because there is higher demand at the lower price.

I guess the disconnect, for me the end of spectrum, is that all the products and services could eventually be 100% automated without human in the loop, expect for consuming the products/services. Those 100% automated product manufacturing or services, would cost energy (electricity basically) and raw material (arguably free, just need to pick it up on the ground using some energy). So, one machine would build everything and all services, with just energy as input. If energy is not free, then products and services would cost something. How people pay for product and services ?


> Not sure to follow, machines need energy as input. So unless energy is free and unlimited, even if the machines run without people, there is a cost for the products.

But where does energy come from? You would have machines that can make solar panels and install them and operate a power grid, or people would still have jobs doing those things.

> Unless you also assume that unemployed people could get some ABI or SNAP from government (in US already 1 out 8 adult receives SNAP) to pay for food (cost less with 100% automation, but still cost the energy for fertilizer, tractors, transport, transformation), for shelter, etc. and pay for healthcare.

If everything other than healthcare was automated then energy production, fertilizer production, tractor production, transportation, etc. would all be automated.

If everything is automated then everything is free. If there is still anything that can't be automated then people still have jobs doing that.




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