Telegraph lines presented a similar economic challenge-high start-up capital and low marginal operating costs.

电报线路提供了类似的经济挑战——很高的启动资本和很低的边际运营成本。

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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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Telegraph lines presented a similar economic challenge high start-up capital and low marginal operating costs.

ECONOMIST: Economics focus

High marginal tax rates, especially on capital, uncertainty about pension and health care costs, and the lack of rules in the formation of monetary and fiscal policy have disrupted the normal course of commerce.

FORBES: The Federal Reserve's Flawed Approach To Monetary Policy

For example, some researchers find that the economy-wide cost of a carbon tax would be considerably lower if the revenue were used to reduce marginal tax rates on labor, capital, or personal income than if it were used to offset costs imposed on low-income households.

FORBES: Carbon Tax Getting Serious Consideration As CBO Seeks To Address Regressiveness