Eponymuse comments on Harry Potter and the Methods of Rationality discussion thread, part 13, chapter 81 - Less Wrong

6 Post author: bogdanb 27 March 2012 06:07PM

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Comment author: Desrtopa 28 March 2012 06:23:09PM *  33 points [-]

I think that taking advantage of muggles in lots of ways is against the law, so imperiusing or memory charming a billionaire would be forbidden. I wouldn't be at all surprised if people have thought of and maybe tried using time turners to cheat the muggle lottery, so I'd give fair odds that's illegal too. When it comes to arbitrage though, remember that while wizards in general may not be tremendously stupid, they tend to be incredibly clueless about the muggle world; remember that Arthur Weasley can pass as a premier expert on muggle artifacts. The fact that the values of gold and silver in the muggle world are totally divorced from their value in the wizarding world is likely to be very little known, and the concept of arbitrage may be completely foreign to them as well (look how primitive their whole financial system appears to be.)

The fact that Mr. Bester, Harry's occlumency instructor, said he wished he could remember "That trick with the gold and silver" implies that a) the idea is not obvious to most wizards, and b) he thinks he would at least stand a chance of getting away with it.

Comment author: Eponymuse 29 March 2012 12:23:24AM 10 points [-]

I completely agree. Recall also Draco's speech about muggles scratching in the dirt, and his reaction to Harry's estimate of the lunar program budget. It's not just wizards not paying attention to relative values of gold and silver in the muggle world---for the most part, the possibility that there could be a substantial amount of either in the muggle world doesn't occur to them. Now you might expect muggleborns to know better, even after making allowances for the fact that they enter the wizarding world at age 11. On the other hand, if a muggleborn is clever enough to see the potential for profit, they might also be clever enough to see what Harry apparently does not---that calling attention to the fact that the muggles are ripe for exploitation is a Bad Idea.

Comment author: Desrtopa 29 March 2012 12:31:48AM 12 points [-]

Also, as Harry himself speculates, muggleborns, like his mother, probably tend to fall into the habit of not thinking of muggles as Real People anymore, because it's too emotionally taxing, and they're living in a different world. They may stop concerning themselves with the muggle world much by the time they're grown up. The muggle raised wizards in the original canon certainly seemed to.

Comment author: Xachariah 29 March 2012 05:21:37AM *  13 points [-]

I would actually suspect parents of a half blood (is there a name for this?) would be the weak link, rather than muggle-born children.

You've got people who have lived their whole lives as muggles, then suddenly they fall in love and get married and find out their spouse is a wizard. They've spent ~20 years in the muggle world and probably have a career of their own. No way they don't ask their spouse to spend a couple hours and let them both live like kings for the rest of their lives. And if they don't even get that much information about their other's life, that's some seriously messed up power dynamics in that household.

Comment author: Anubhav 29 March 2012 07:46:07AM *  0 points [-]

Pop quiz: What percentage of Muggles have ever heard the word "arbitrage"?

(Retracted because reply makes sense)

Comment author: Xachariah 29 March 2012 08:02:41AM *  8 points [-]

I'm thinking more "Go magic that banker and we'll be rich."

Or "Hey can you use that wicker spinmaster thingy to get us the lotto numbers?" I presume if the witch/wizard owned one they'd figure out what it does eventually. They'd have to after a long enough time living together.

Comment author: Normal_Anomaly 29 March 2012 05:36:17PM *  2 points [-]

All good points, but I don't think Harry is planning on "calling atttention to the fact that the muggles are ripe for exploitation". He's presumably planning to make the money without anyone except one or two adults he needs for transportation/permission/whatever knowing how he did it.