<<Well, it obviously means that I have not read any works by current economists that do not say that Marx's theories were internally inconsistent (ie, wrong).>>
There is nothing "obvious" about that. Your original reference (and mine) was to the TEACHING of Marxist economics, but now you say that your reference was "obviously" to current Marxist economists whose books you happen to have read. (Obviously.)
<<And, actually, even the guy you brought up says that - he just suffixes it with a "but we should believe it anyway, because it (communism) is the right thing to do.">>
Again, not being an economist, I don't plan to jump into a debate on how right or wrong Kliman may be, he's a Marxist in some aspects of his teachings, he teaches at Pace University, and he proves the point I was making, that contrary to plane's absurd belief that Marx knew nothing of economics, his theories, or at least some aspects of them, are still being taught today as economics.