planning time horizon

基本解释

Planning horizon----The time period over which the benefit and costs are considered in time-related decisions.
计划界限——收益和成本被考虑进时间关系的决定中。
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Once folks get the notion that half of people will outlive the average life expectancy of their age group—they could die before 80 or after 80—they need to revisit their financial planning time horizon.
FORBES: Americans Clueless About Life Expectancy, Bungling Retirement Planning
This proposition comes directly from economic theory, which says that people respond to the risk of dying not by shortening their planning horizon and blithely assuming they will die right on time, but by choosing to consume somewhat more when young and somewhat less when old, if they do end up living longer than expected.
FORBES: Not All Social Security Advice Is Good Advice