%0 Journal Article %T Modern models of international competitiveness of Big Tech corporations: internal drivers versus external shocks %A Rastvortseva, S.N. %A Tyushkevich, Y.A. %A Salushkina, Z.S. %K international competitiveness; Big Tech; network effects; lock-in effect; dynamic capabilities; digital ecosystems; geo-economic fragmentation, technology giants %J JOURNAL OF REGIONAL AND INTERNATIONAL COMPETITIVENESS %D 2026 %N 7 %P 11 %I Yaroslavl State Technical University