Entirely? Hard to say, but as bad? Yeah, I think he definitely would have. Gore would have used Kenysian principles, and instead implementing Tax cuts like Bush which fueled an economic bubble he would have kept Clinton's tax brackets in tact, lowering our deficits and prevented the Economy from radically overheating in the first place.
Tax cuts for the wealthy are like sending someone to a Casino with $100 and having them win early. At first, they only have a $100, so they tend to play it relatively safe. They play nickel slots, or maybe $5 blackjack trying to make their money last as long as possible. But then they get lucky and hit some kind of jackpot early on. What happens? They start taking bigger and bigger risks. They figure they're playing with house money so they really don't care if they lose it. Eventually those bigger risks come back to bite them and they crash back to reality.
Same is true of Tax cuts. You have people who are already making millions and billions of dollars every year. They already have enough money to pay for everything they could ever need and or want in life, and then you give them more. The tendency is to do the same thing. Take risks. Try and hit on ever increaingly risky investments. Start a rocket ship company, throw a bunch of money at some dot com start ups, subprime mortgages. **** it who cares, it's tax cut money. All of a sudden you got all these people making all these risky investments at the same time when it all blows up.