Nunca há menção de como eles vêm pelo dinheiro. Nem em livros nem em entrevistas da JKR. Eu procurei por "dinheiro", "financiamento", "impostos / impostos / tributados", "ministério" e "governo". Zero hits relevantes.
A ÚNICA exceção é uma nota no OotP que Malfoy tem um ótimo acesso e puxa com o ministério, já que ele financia muitas causas:
'What private business have they got together, anyway?'
'Gold, I expect,' said Mr Weasley angrily. 'Malfoy's been giving generously to all sorts of things for years . . . gets him in with the right people . . . then he can ask favours . . . delay laws he doesn't want passed . . . oh, he's very well-connected, Lucius Malfoy.'
Um pouco ironicamente, uma vez que a JKR obteve todos os bilionários, manchetes como essa poderiam ser facilmente encontradas:
LONDON (Reuters) - Harry Potter author J. K. Rowling has donated 1 million pounds ($1.83 million) to Britain's ruling Labor Party to provide a much-needed boost to Prime Minister Gordon Brown as he fights for political survival. (src: Reuters feed, 2008)
... e ela falou abertamente sobre querer evitar que os tories passem leis que ela não gosta, e usar seu status de celebridade para influenciar as pessoas a votar nos trabalhistas.
AVISO: Análise política controversa:
Based on JKR's non-HP political writing (especially her essay on why she will never vote Tory), she belongs to a political/philosophical school of "money grows on trees, not comes from other people who are taxed". This was especially true when she was writing her first books (and she planned out all 7 books then) and didn't have much money.
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So for her, the question of what it takes to make a normal economy function (and especially, how government funding is obtained) is utterly unimportant and un-interesting. She sees government (in the real world) as a benevolent entity helping people, NOT an entity which takes money from some people by force and gives that money (after siphoning off some for itself) to others. Not too surprising considering that her life idol (after whom her daughter is named) was an avowed Communist.
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It's curious to note that in Harry Potter world, everyone with much money is evil/dark (ranging from rich Death Eaters to experimenting-bad-jinxes-on-first-years morally ambiguous Weasley twins), with the lone exception of Harry himself - the latter having been explained by Rowling herself as a Mary Sue moment "I did it because I never had enough money". She basically seems to firmly believe a standard Soviet doctrine of "You can't make money with honest work" - Weasleys vs. Malfoys being the prime example of that attitude, in many places in the books.
Para plagiar minha própria resposta separada - citar erroneamente um trabalho derivado de Tolkien apócrifo " O último Portador do Anel ": "É muito difícil analisar o reinado dos primeiros príncipes de Ithilien, Faramir e Éowyn, em termos políticos ou econômicos - parece que eles não tinham nem política nem economia por lá, mas apenas uma balada romântica sem fim ". / p> Em outras palavras, o Potterverse não tem um sistema econômico que possamos deduzir ou encontrar coerentemente e logicamente, porque Rowling não colocou um.