GST, highest increase in personal TAX and "borrow to spend" fiscal habits all happened in Conservative majority government in 80's. So just think Conservative is good for the economy is very unrealistic to say the least.
Bush is Conservative and has been borrow to fund tax cut. US economy took nose dive since he took office (well 911 just set them further behind) I think US has very tough road ahead fiscally after the election, Bush or Kerry.