Because of different costs of capital, equity financing and debt financing must satisfy their own required levels of marginal capital output.

由于资本成本高低不同，权益筹资和债务筹资必须符合不同的边际资本产出水平条件。

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He insists that industry, as well as governments, must tackle the core issues, rather than trying to rid themselves of responsibility through measures like carbon offsetting - where individuals or companies balance their carbon output by financing green projects.

BBC: A hiker looks out over a mountain in Switzerland