March 13 (Reuters) -
* BANK OF CANADA'S POLOZ SAYS HE DOES NOT KNOW WHAT WOULD HAPPEN IF NAFTA WERE CHANGED OR ABROGATED
* BOC'S POLOZ: SOME COMPANIES ARE TELLING THE BANK THEY ARE WORRIED ABOUT THE FUTURE OF NAFTA
* BOC'S POLOZ: EVEN THOUGH BUSINESS INVESTMENT HAS GONE UP A LOT IN LAST FOUR QUARTERS, IT WOULD HAVE RISEN MORE WITHOUT NAFTA UNCERTAINTY
* BOC'S POLOZ: ALTHOUGH CANADA HAS FIRST MOVER ADVANTAGE IN FIELD OF ARTIFICIAL INTELLIGNCE, "SCALE IS OUR ENEMY"
* BOC'S POLOZ: WE HAVE NO PROBLEM EXPLAINING IN OUR MODELS HOW INFLATION HAS BEHAVED