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保存项目的成本包括保存成本和访问成本,其中保存成本包括保存项目的运行成本和数字资源的提交成本,访问成本指用户访问的时间成本。数字保存经济价值的体现形式有保存价值、用户收益与净经济价值、效率影响、保存特藏收益。其中保存价值包括支付意愿和接受意愿,用户收益是指用户使用数字保存可以获得的净收益,净经济价值是数字保存的净价值,效率影响是指数字保存对目标用户群体的贡献,保存特藏收益是指用户访问获得的数字资源中通过其他途径无法获得的部分所产生的效益。
The cost of saving a project includes the cost of storage and the cost of access. The cost of saving includes the cost of running the project and the cost of submitting the digital resource. The cost of access refers to the time cost of accessing the user. The form of digital preservation of economic value of the preservation of value, the user benefits and net economic value, the impact of efficiency, save special revenue. The preservation value includes willingness to pay and willingness to accept. The user return refers to the net income that the user can obtain using digital preservation. The net economic value is the net value of digital preservation. The efficiency impact refers to the contribution of digital preservation to the target user group. Revenue refers to the benefits of accessing parts of digital resources that are not accessible to users through other means.