In the late 1960s most economic commentators believed that the long boom was permanent.
The system is considered a major reason for Germany's long economic boom.
The low interest rates that were then possible opened the way to the longest economic boom in our history.
And a long boom of some kind along the top.
The Spanish economy's long boom was beginning to turn to bust.
Still, because of capital spending's special role in the long boom, there is room for worry, economists say.
For now, even nine months into the first recession in a decade, the nation looks quite different than it did before the long boom.
The airline industry's long boom may also be coming to an end as the economy weakens.
And, thanks to the long economic boom, many of them can afford it.
But many buyers say they have a sense that the long boom has finally come to an end.