TY JOUR TI Analysis of prospects for development of digital economies: Russian and global trends KW digital economy KW digital technologies KW digital competitiveness KW digital transformation KW digital platforms KW digital entrepreneurship KW Russia KW world economy JO Vestnik of Astrakhan State Technical University. Series: Economics AU Levchenko, T.. AU Levchenko, D.. PY 2020 IS 2020 PB Astrakhan State Technical University