OneManga shutting down

[Epsilon]

1) right to make a derivative work.

2) Why should the artist be granted a non economicaly optimal copyright length?

Just to point out some things:
1- Right to control derivative works is covered by Trademark, not Copyright. Also, despite the constant claims that such a right to control derivative work cripples creativity we seem to live in a world were staggering amounts of creative work are produced all the time.
2- We don't base all of our decisions based on what is econimically optimal. You want an economically optimal way of running your health care system? The cost of a bullet is less than a dollar.The cost of treating someone for terminal cancer to extend their life for three years is several million dollars.
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Epsilon