Sure, but it would be different from the one we have now. Things might be moving slower, but crashes should be less frequent.

The main difference is that that system isn't built on the assumption that the economy will always expand, which the current system is. I'll leave it to someone who actually knows something about the pros and cons of each to tell you if that's good or bad.. But basic reasoning tells me that it's not likely that something that takes place in a fixed environment (Earth) can expand for ever.