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I apologize if this is a stupid question but aren't GST and VAT (basically) the same thing? It is just an "advanced" sales tax, no? It still does not fix the problem of income tax...

The big problem from what I remember from earlier is some companies like grocery stores operate on razor thin margins -- like they buy tomatoes for USD 0.90 per kilogram and sell for USD 1.00 or whatever so if we charge income tax on the whole USD 1.00, the rate would have to be RIDICULOUSLY low or the grocery store simply won't survive.

Problem I want to see fixed with some kind of sales tax upgrade (VAT/GST/whatever) is if a company / conglomerate "sells" goods and services to itself, it should have to pay this tax on the pre-discount rate. For example, if Google web search has an advertisement for Google Chrome, Google should have to pay this tax on the market value of the ad placed, not on the actual money amount that changed hands (which is likely zero dollars). Same thing with Apple Music on iPhone. There are MAJOR ads placed when you first set up an iPhone and later continuing ads that show up saying "hey, how about now? do you want to pay for Apple Music EXTREME THUNDER edition now?" These are ads that have a lot of value and Apple should have to pay (upgraded) sales tax for displaying these ads.




Value added tax is a tax on the difference between the purchase price of the inputs and the sale price of the outputs; that is, it's a tax on the value that company specifically adds.

The way it works in practice is VAT is added to the the sale price, but the VAT actually sent by the business to the government is reduced by any VAT that was paid for inputs. This way, you don't end up with increasing amounts of tax just because a supply chain has lots of middlemen.

This setup creates an incentive to report VAT at each level of the supply chain, reducing fraud. Because the tax doesn't compound with multiple steps, it's fairer.


Sorry, I don't know anything about VAT, but in Australia, consumers pay 10% on all products except food, financial services, and a few other things.

When Apple sells an phone to a consumer in Australia, 10% of the sale price is collected by the retailer, and paid directly to the government, rather giving the full sale price to Apple, then allowing Apple to work out later what was profit and what was not.

There are mixed feelings about it, but I've always liked it. If you consume a lot of stuff, you pay a lot of tax. Sounds fair to me.


    > If you consume a lot of stuff, you pay a lot of tax. Sounds fair to me.
Most economists view VAT/GST as a regressive tax. I don't know why so many highly advanced, liberal democracies are so dependent upon VAT/GST for tax revenues.


> I don't know why so many highly advanced, liberal democracies are so dependent upon VAT/GST for tax revenues.

See above discussion, when wealthy people are responsible for declaring their own income, it tends to be low.

GST is "regressive". You have to charge everybody the same 10%. You can't ask wealthy people to pay 40% like you can with income tax.

I actually have no idea what percentage of tax revenue is GST vs Personal Income Tax vs Company Tax. I'm interested now, I'll go do some research.

This is what I found https://www.abs.gov.au/articles/insights-government-finance-...




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