this commentary believes that li teng- hui 's `` holiday diplomacy '' is a materialization of taiwan 's `` southward policy '' -lrb- formulated to encourage taiwan businessmen making investments in the mainland to channel their funds to southeast asia , in a bid to break the mainland 's blockade with economy as an open sesame and expand taiwan 's diplomatic space -rrb- and an implementation of the `` wild geese formation theory '' -lrb- a japanese economist 's theory highly recommended by li teng-hui , which maps out an asian economic scenario with japan , the most advanced country , in the lead , followed by the `` four little dragons '' and then southeast asian countries , with the chinese mainland and north korea taking up the rear -rrb- .