These include indicators at the national level, such as carbon intensity of the economy, marginal abatement costs and total costs of emission mitigation as a percentage of GDP, and bottom-up sectoral indicators.
其中包括国家一级的指标，诸如经济的碳密集度、边际减排成本和排减量缓解的总代价占国内总产值的百分比，以及从下而上的部门指标。