By and large, though, they don't, which Mr Laibson takes to mean that they use a different rate for events far off than for those near to.

可是，他们大体上不会这么做。莱布森先生用这个例子说明，人们为遥远的事件利用的贴现率，不同于为较近的事件利用的贴现率。

youdao

David Laibson, an economist at Harvard University, believes that the problem is lack of self-control.

ECONOMIST: The sorry state of saving

StickK.com came about as a result of the theoretical work of Laibson and others on commitment contracts, Karlan said.

CNN: Putting a price on procrastination

More specifically, says Laibson, people perceive rewards and costs as having only half the weight tomorrow that they have today.

CNN: Putting a price on procrastination