Many things we depend on ultimately come from the earth. Land Value Taxation can lower the prices of those items, both by its own action, and by replacing sales taxes and other taxes which raise prices.

Rev. A. C. Auchmuty: Gems from George, a themed collection of excerpts from the writings of Henry George (with links to sources)

THE mode of taxation is quite as important as the amount. As a small burden badly placed may distress a horse that could carry with ease a much larger one properly adjusted, so a people may be impoverished and their power of producing wealth destroyed by taxation, which, if levied in another way, could be borne with ease. — Progress & Poverty — Book VIII, Chapter 3, Application of the Remedy: The Proposition Tried by the Canons of Taxation

IF we impose a tax upon buildings, the users of buildings must finally pay it, for the erection of buildings will cease until building rents become high enough to pay the regular profit and the tax besides. If we impose a tax upon manufactures or imported goods, the manufacturer or importer will charge it in a higher price to the jobber, the jobber to the retailer, and the retailer to the consumer. Now, the consumer, on whom the tax thus ultimately falls, must not only pay the amount of the tax, but also a profit on this amount to everyone who has thus advanced it — for profit on the capital he has advanced in paying taxes is as much required by each dealer as profit on the capital he has advanced in paying for goods. — Progress & Poverty — Book VIII, Chapter 3, Application of the Remedy: The Proposition Tried by the Canons of Taxation

THE way taxes raise prices is by increasing the cost of production, and checking supply. But land is not a thing of human production, and taxes upon rent cannot check supply. Therefore though a tax on rent compels the landowners to pay more, it gives them no power to obtain more for the use of their land, as it in no way tends to reduce the supply of land. On the contrary, by compelling those who hold land on speculation to sell or let for what they can get, a tax on land values tends to increase the competition between owners, and thus to reduce the price of land. — Progress & Poverty — Book VIII, Chapter 3, Application of the Remedy: The Proposition Tried by the Canons of Taxation

... go to "Gems from George"

Louis Post: Outlines of Louis F. Post's Lectures, with Illustrative Notes and Charts (1894) — Appendix: FAQ

Q11. How can mines be taxed without increasing the price of the out-put?
A. By taxing the royalty, or, what is essentially the same, by taxing their capitalized value as mining opportunities. This would tend to lower rather than increase the price of the product. Read note 11.

Note 11: This is usually a stumbling block to those who, without much experience in economic thought, consider the single tax for the first time. As soon as they grasp the idea that taxes upon commodities shift to consumers they jump to the conclusion that similarly taxes upon land values would shift to the users. But this is a mistake, and the explanation is simple. Taxes upon what men produce make production more difficult and so tend toward scarcity in the supply, which stimulates prices; but taxes upon land, provided the taxes be levied in proportion to value, tend toward plenty in supply (meaning market supply of course), because they make it more difficult to hold valuable land idle, and so depress prices.

"A tax on rent falls wholly on the landlord. There are no means by which he can shift the burden upon anyone else. . . A tax on rent, therefore, has no effect other than its obvious one. It merely takes so much from the landlord and transfers it to the state." — John Stuart Mill's Prin. of Pol. Ec., book v, ch. iii, sec. 1.

"A tax laid upon rent is borne solely by the owner of land." — Bascom's Tr., p.159.

"Taxes which are levied on land . . . really fall on the owner of the land." — Mrs. Fawcett's Pol. Ec. for Beginners, pp.209, 210.

"A land tax levied in proportion to the rent of land, and varying with every variation of rents, . . . will fall wholly on the landlords." — Walker's Pol. Ec., ed. of 1887, p. 413, quoting Ricardo.

"The power of transferring a tax from the person who actually pays it to some other person varies with the object taxed. A tax on rents cannot be transferred. A tax on commodities is always transferred to the consumer." — Thorold Rogers's Pol. Ec., ch. xxi, 2d ed., p. 285.

"Though the landlord is in all cases the real contributor, the tax is commonly advanced by the tenant, to whom the landlord is obliged to allow it in payment of the rent." — Adam Smith's Wealth of Nations, book v, ch. ii, part ii, art. i.

"The way taxes raise prices is by increasing the cost of production and checking supply. But land is not a thing of human production, and taxes upon rent cannot check supply. Therefore, though a tax upon rent compels land-owners to pay more, it gives them no power to obtain more for the use of their land, as it in no way tends to reduce the supply of land. On the contrary, by compelling those who hold land on speculation to sell or let for what they can get, a tax on land values tends to increase the competition between owners, and thus to reduce the price of land." — Progress and Poverty, book viii, ch. iii, subd. i.

Sometimes this point is raised as a question of shifting the tax in higher rent to the tenant, and at others as a question of shifting it to the consumers of goods in higher prices. The principle is the same. Merchants cannot charge higher prices for goods than their competitors do, merely because they pay higher ground rents. A country storekeeper whose business lot is worth but few dollars charges as much for sugar, probably more, than a city grocer whose lot is worth thousands. Quality for quality and quantity for quantity, goods sell for about the same price everywhere. Differences in price are altogether in favor of places where land has a high value. This is due to the fact that the cost of getting goods to places of low land value, distant villages for example, is greater than to centers, which are places of high land value. Sometimes it is true that prices for some things are higher where land values are high. Tiffany's goods, for instance, may be more expensive than goods of the same quality at a store on a less expensive site. But that is not due to the higher land value; it is because the dealer has a reputation for technical knowledge and honesty (or has become a fad among rich people), for which his customers are willing to pay whether his store is on a high priced-lot or a low-priced one.

Though land value has no effect upon the price of good, it is easier to sell goods in some locations than in others. Therefore, though the price and the profit of each sale be the same, or even less, in good locations than in poorer ones, aggregate receipts and aggregate profits are much greater at the good location. And it is out of his aggregate, and not out of each profit, that rent is paid, For example: A cigar store on a thoroughfare supplies a certain quality of cigar for fifteen cents. On a side street the same quality of cigar can be bought no cheaper. Indeed, the cigars there are likely to be poorer, and therefore really dearer. Yet ground rent on the thoroughfare is very high compared with ground rent on the sidestreet. How, then, can the first dealer, he who pays the high ground rent, afford to sell as good or better cigars for fifteen cents than his competitor of the low priced location? Simply because he is able to make so many more sales with a given outlay of labor and capital in a given time that his aggregate profit is greater. This is due to the advantage of his location, and for that advantage he pays a premium in higher ground rent. But that premium is not charged to smokers; the competing dealer of the side street protects them. It represents the greater ease, the lower cost, of doing a given volume of business upon the site for which it is paid; add if the state should take any of it, even the whole of it, in taxation, the loss would be finally borne by the owner of the advantage which attaches to that site — by the landlord. Any attempt to shift it to tenant or buyer would be promptly checked by the competition of neighboring but cheaper land.

"A land-tax, levied in proportion to the rent of land, and varying with every variation of rent, is in effect a tax on rent; and as such a tax will not apply to that land which yields no rent, nor to the produce of that capital which is employed on the land with a view to profit merely, and which never pays rent; it will not in any way affect the price of raw produce, but will fall wholly on the landlords." — McCulloch's Ricardo (3d ed.), p. 207 ...

Q31. Will not the capitalist be able under the single tax to undersell the laborer — to sell goods for less than cost, at least temporarily — and thereby force him to accept the capitalist's terms?
A. With capitalists continually hunting for men to help them fill their orders, and bidding against each other to get men, as would be the case under the single tax, such a contingency would be in the highest degree improbable. It is practically impossible. Nothing short of a trust, an absolutely perfect trust, of all the owners of capital the world over could produce it. And even then, plenty of very useful land of all kinds being free and labor products being exempt from taxation, all people who were outside of the trust would resort co-operatively to the land, and the trust would be obliged to take them in as the alternative of falling to pieces under their competition. ... read the book

Charles B. Fillebrown: A Catechism of Natural Taxation, from Principles of Natural Taxation (1917)

Q19. Why should buildings and all other improvements and personal property and capital be exempt from taxes?
A. Because a tax on them falls upon industry, and so increases the cost of living, while continuing the invidious exemption of the present net land value.

Q22. What is privilege?
A. Strictly defined, privilege is, according to the Century Dictionary, "a special and exclusive power conferred by law on particular persons or classes of persons and ordinarily in derogation of the common right."

Q23. What is today the popular conception of privilege?
A. That it is the law-given power of one man to profit at another man's expense.

Q24. What are the principal forms of privilege?
A. The appropriation by individuals, or by public service corporations, of the net rent of land created by the growth and activity of the community without payment for the same. Also, the less important privileges connected with patents, tariff, and the currency.

Q25. Where in does privilege differ from capital?
A. Capital is a material thing, a product of labor, stored-up wages; an instrument of production paid for in human labor, and destined to wear out. Capital is the natural ally of labor, and is harmless except as allied to privilege. Privilege is none of these, but is an intangible statutory power, an unpaid-for and perpetual lien upon the future labor of this and succeeding generations. Capital is paid for and ephemeral. Privilege is unpaid for and eternal. A man accumulated in his profession $5,000 capital, which he invested in land in Canada. Ten years later he sold the same land for $200,000. Here is an instance of $5,000 capital allied with $195,000 privilege. This illustrates that privilege and not capital is the real enemy of labor.

Q26. How may franchises be treated?
A. Franchise privileges may be abated, or gradually abolished by lower rates, or by taxation, or by both, in the interest of the community.

Q27. Why should privilege be especially taxed?
A. Because such payment is fairly due from grantee to the grantor of privilege and also because a tax upon privilege can never be a burden upon industry or commerce, nor can it ever operate to reduce the wages of labor or increase prices to the consumer.

Q28. How are landlords privileged?
A. Because, in so far as their land tax is an "old" tax, it is a burdenless tax, and because their buildings' tax is shifted upon their tenants; most landlords who let land and also the tenement houses and business blocks thereon avoid all share in the tax burden.

Q29. How does privilege affect the distribution of wealth?
A. Wealth as produced is now distributed substantially in but two channels, privilege and wages. The abolition of privilege would leave but the one proper channel, viz., wages of capital, hand, and brain.

Q30. How would the single tax increase wages?
A. By gradually transferring to wages that portion of the current wealth that now flows to privilege. In other words, it would widen and deepen the channel of wages by enlarging opportunities for labor, and by increasing the purchasing power of nominal wages through reduction of prices. On the other hand it would narrow the channel of privilege by making the man who has a privilege pay for it.

Q31. How can this transfer be effected?
A. By the taxation of privilege.

Q32. How much ultimately may wages be thus increased?
A. Fifty percent would be a low estimate.

Q33. What are fair prices and fair wages?
A. Prices unenhanced by privilege, and wages undiminished by taxation.

Q34. Why does not an increase in ground rent tend to cause an increase in prices?
A. Usually sales increase faster proportionately than rent, thus reducing the ratio of rent to sales. The larger the product, the lower the individual costs. The larger the gross sales, the lower the competitive prices.

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Jeff Smith: What the Left Must Do: Share the Surplus

Winston Churchill: Land Prices as a Cause of Poverty

The immemorial custom of nearly every modern State, the mature conclusions of many of the greatest thinkers, have placed the tenure, transfer, and obligations of land in a wholly different category from other classes of property. The mere obvious physical distinction between land, which is a vital necessity of every human being and which at the same time is strictly limited in extent, and other property is in itself sufficient to justify a clear differentiation in its treatment, and in the view taken by the State of the conditions which should govern the tenure of land from that which should regulate traffic in other forms of property. ... read the whole speech