Johnson and his oxford colleagues david lamper , paul jefferies , michael hart and sam howison have further studied a binary aspect of the game : the up - and - down movements in a market irrespective of magnitude , which is simpler and computationally practical 強(qiáng)生和他的牛津同事蘭珀、杰夫里茲、哈特及豪伊森進(jìn)一步研究這個(gè)游戲的二元觀點(diǎn),也就是只管市場(chǎng)里的上下移動(dòng),而不管移動(dòng)的大小,那是比較簡(jiǎn)單并且可以計(jì)算的部分。