A Quote by Alfred Marshall

Producer's Surplus is a convenient name for the genus of which the rent of land is the leading species. — © Alfred Marshall
Producer's Surplus is a convenient name for the genus of which the rent of land is the leading species.
Our ideal society finds it essential to put a rent on land as a way of maximizing the total consumption available to the society. ...Pure land rent is in the nature of a 'surplus' which can be taxed heavily without distorting production incentives or efficiency. A land value tax can be called 'the useful tax on measured land surplus'.
Both ground- rents and the ordinary rent of land are a species of revenue which the owner, in many cases, enjoys without any care or attention of his own. The annual produce of the land and labour of the society, the real wealth and revenue of the great body of the people, might be the same after such a tax as before. Ground-rents, and the ordinary rent of land are, therefore, perhaps the species of revenue which can best bear to have a peculiar tax imposed upon them.
I can pretty much name and rattle off the genus and species of all the bugs you see in everyday life.
The genus Drosophila is one of the great success stories. There's hundreds of species within the genus. They're on every continent except Antarctica, they're in tropical rain forests, they're in deserts, they've evolved many exotic mating behaviors, and they're capable of incredibly long-distance flights.
Is it important that the rent of land be retained as a source of government revenue. Some persons who could make excellent use of land would be unable to raise money for the purchase price. Collecting rent annually provides access to land for persons with limited access to credit.
Man, who preys both on the vegetable and animal species, is himself a prey to neither. He too possesses the reproductive principle far beyond the degree requisite for the bare continuance of his species. What becomes of the surplus of human life to which this principle is competent?
He who abstains from anything animate ... will be much more careful not to injure those of his own species. For he who loves the genus will not hate any species of animals.
Genius detects through the fly, through the caterpillar, through the grub, through the egg, the constant individual; through countless individuals the fixed species; through many species the genus; through all genera the steadfast type; through all the kingdoms of organized life the eternal unity. Nature is a mutable cloud which is always and never the same.
Wherefore no name can be found for a new fossil [element] which indicates its peculiar and characteristic properties (in which position I find myself at present), I think it is best to choose such a denomination as means nothing of itself and thus can give no rise to any erroneous ideas. In consequence of this, as I did in the case of Uranium, I shall borrow the name for this metallic substance from mythology, and in particular from the Titans, the first sons of the earth. I therefore call this metallic genus TITANIUM.
God is not related to creatures as though belonging to a different "genus," but as transcending every "genus," and as the principle of all "genera.
I had found again and again that the most aberrant population of a species - often having reached species rank, and occasionally classified even as a separate genus - occurred at a peripheral location, indeed usually at the most isolated peripheral location.
Heretofore there has always been in the history of the world a comparatively unoccupied land westward, into which the crowded countries of the East have poured their surplus populations.
Every proprietor owes to the community a ground-rent for the land which he holds.
There is an immense trout in Loch Awe in Scotland, which is so voracious, and swallows his own species with such avidity, that he has obtained the name 'Salmo Ferox'. I pull about this unnatural monster till he is tired, land him, and administer the coup de grace. Is this cruel? Cruelty should be made of sterner stuff.
Earlier in my career, I needed to be the writer, casting director, set designer, leading man, and producer. I've been eliminating a lot of those jobs. I'm an executive producer right now. I still get to pick the best screenplays.
If someone is being misogynistic, you have to name it. It's not convenient to talk about discrimination, but if you don't do it, you allow it to exist. So you have to name it.
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