While some of these analyses have attempted to identify subpopulations that benefit from implementation of a policy, most could be improved from additional analyses of the distribution of benefits and costs across the population.
其中有些分析尝试确定从政策实行中获益的分组人口，但大部分都可以通过增加对效益和成本在全部人口中分布的分析而得到改善。