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Re:Monopoly was invented to demonstrate the evils of capital... by falcolas on Wednesday February 26, 2020 @12:40PM (#22425242)
From a purely monetary point of view at a global level, transactions are indeed a positive sum. But the "positive" value of transactions, globally, is remarkably small - it's effectively inflation minus population growth (between 1 and 3% yearly).

So, if your money is growing more than this 3%, someone else is losing money so you can make it.

EDIT: I figured this would be unpopular - please feel free to correct me, to point out where the money on, for example, 6% returns on investments come from if not from someone else.

Re:Monopoly was invented to demonstrate the evils of capital... by pjc50 on Wednesday February 26, 2020 @01:05PM (#22425513)
This is the whole Picketty et al "r > g" question, and I believe economists disagree on what the real numbers are.
Re:Monopoly was invented to demonstrate the evils of capital... by falcolas on Wednesday February 26, 2020 @01:17PM (#22425633)
So, it seems that "r > g" is less of a question and more of a generally accepted statement. I'm not an economist, but a cursory review of economist whitepapers (here's one[0]) indicates that most don't dispute the "r > g" assertion, but instead just say that "this is a reasonable state of affairs", or "it's a problem, but the solutions are worse."

[0] https://scholar.harvard.edu/files/mankiw/files/yes_r_g_so_wh...