Using effort estimates as the only criteria for deciding whether work is undertaken could be leaving money on the table. Considering value—in particular, the effect of time on value, as in whether there is a cost of delay—makes for more intelligent conversations and better decisions.
Allan Kelly says that ideally, companies should put a dollar amount on each planned business decision. But pinning down financial value can be hard, and besides, there are many other factors to consider, such as sustainability and customer service. He looks at various ways to assess the business value of user stories.