WASHINGTON, Dec 14 (Reuters) - United States Trade Representative Katherine Tai signed a memorandum of understanding on cooperation for trade and investment between the U.S. and the African Continental Free Trade Area, her office said on Wednesday.

The MOU calls for annual dialogue meetings to develop collaboration to boost competitiveness and attract investment to the African continent, Tai's office said.

(Reporting by Kanishka Singh in Washington; Editing by Leslie Adler)

((Kanishka.Singh@thomsonreuters.com; +12024508248;))