In accordance with the 1990 Clean Air Act, the state imposes a pollution limit on the market for steel manufacturing shown on the graph below. Place the line segment labeled "Pollution limit" at the optimal pollution limit. Price and cost ($ per ton) 10 9 8 7 6 5 3 2 1 0 0 2 Pollution limit B 4 6 8 10 12 14 Quantity in thousands of tons Marginal social cost Marginal cost Demand-marginal benefit 16 18 20

Explain the meaning behind Frederic Bastiat's Negativs Railroad. Be thorough and prove your understanding.

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How the General Systems Theory works in research & development and marketing?