It certainly is. Spending as soon as possible opens up the need and opportunity for more production than would saving for years before spending. That's what we as consumers have been told for decades, and considering the advances made within that time, it's true.

... yet look at the price of it; the miserable condition the western economies are in. Yes, spending by debt obviously does not work when done excessively. Maybe it is possible to craft a system to encourage spending with no or with controllable debt (discard compound interest, anyone?).