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Comment by monocasa | Hacker News Reader

First off, the difference between regressive and progressive says nothing about how the taxes are spent. A flat tax is regressive by definition.

Secondly, I'm not a big fan of how you (and quite a few economists) conflate personal and corporate income taxes. It really muddies the water as even questions like "what even is income" is different between the two.

Additionally, flat tax doesn't go well with the left. On the corporate end, exemptions in a lot of ways are the carrot to the sticks of fines and penalties that we use to regulate business (encouraging positive behavior). On the personal end, you greatly increase the tax burden on those least able to bear it, with an increase in benefits being totally orthogonal (most flat tax proposals intend to be revenue neutral). Someone making $25k nearly doubles their tax burden with a 15% flat tax.

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> Secondly, I'm not a big fan of how you (and quite a few economists) conflate personal and corporate income taxes. It really muddies the water as even questions like "what even is income" is different between the two.

It was an example of how nominal tax rate is not the same as effective tax rate. For example, mortgage interest deductions are a regressive benefit which lowers the effective tax rate. Unfortunatenly, we cannot make good date on what the effective tax rate is because it is protected information.

> On the personal end, you greatly increase the tax burden on those least able to bear it, with an increase in benefits being totally orthogonal (most flat tax proposals intend to be revenue neutral)

That depends on what you cut. And thats why i say that you need to look at the revenue and the expenditures to know if taxes are regressive or not.

For example, Federal income tax is nominally progressive, but california has plenty of regressive taxes: sales taxes and property taxes that favor older tenants. In general state and city taxes are regressive, because those are the easiest to levy.

Once again, progressive vs regressive has nothing to do with how much you get back in services. That's literally not a component of the definition. You might be confused because deductions are a component of how regressive a tax is.

It is not economics to just look at how a tax is levied, and not how it is spent. The combination is a must to actually make a meaningful argument about how taxes should be.

It is absolutely a component of economics, just not the only piece needed for a comprehensive tax policy.

You're literally arguing against the accepted definition of a term.

Technically, a flat tax by definition is neither regressive nor progressive, it is proportional. Federal income taxes and I presume corporate taxes are currently progressive (with a million and one deductions). Moving to a flat tax for either of those would be a move in the regressive direction, but it's still not technically regressive.

Personally, I'm fine with taxes having progressive rates but not the countless deductions.

Flat taxes are regressive. Period. The reason why is because a bigger proportion of the income of the poor must be spent on necessities, so a flat tax rate is going to impact their ability to pay for necessities much more than the same tax rate paid by a rich person.

You are confusing flat taxes to sales taxes. A flat income tax would not have that effect.

Technically it is regressive. The flat amount comes out of rent and food on the low end of your tax base, and luxury on the high end.

Thats sales taxes, but flat income taxes would not be like that.

Uhhh, yes it's exactly like that, regardless of what is getting taxed.

Let's say today I make $24,900/yr. That puts me at the edge of the 20th percentile for 2017. The average effective tax rate for people of my income was -4.7% (or a tax of -$1170)[0]. You're suggesting increasing my taxes to 15%, taking $4905 out of my pocket as compared to today. Now, since I make next to nothing, pretty much everything I make is going to rent, food, and just generally getting by, and I have nearly $5k less real money (or ~20% of my income!!!) in my bank account to make that happen.

[0] - http://www.taxpolicycenter.org/model-estimates/baseline-aver...

Hah. You are making the case that a flat tax is regressive because current income taxes are progressive. So moving from progressive to flat is regressive.

Its a tautological affirmation on progressive taxes being progressive. A flat tax would make a $24,900 pay $3,735, and if you made $249,000 you would pay $3735, your taxes increase just as proportional to your income. Its just..flat.

No I'm making the argument that a flat tax is regressive because the utilitarian value of a dollar isn't anywhere near linear with total income.

With a flat tax:

* On the high end you're taking from ability to have luxuries.

* On the low end you're taking from the ability to pay rent and put enough food on your table for your children.

After criticizing my argument that looking at spending of taxes is necessary to argue if its progressive or regressive, you now propose an argument that would make progressive taxes also regressive unless they are enough to compensate the utilitarian value of how the poorer and the richer spend their own wealth.

The utilitarian argument is for me one of the most practical and also one of the most scary. Are you ready to exploit the poor if it were proven that it was economically profitable to do so? I digress. My point is that seeing flat taxes as regressive is either false or inconclusive, regardless of the desire of being flat, regressive or progressive in taxation.

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