practising;
law;
at;
Angela;
Ho;
&;
Associates,;
at;
Faculty;
of;
Law,;
University;
ofHong;
Kong,;
Hong;
Kong,;
China;
and;
Associate;
Professor,;
at;
Faculty;
of;
Business;
and;
Economics,;
University;
ofHong;
Kong,;
Hong;
Kong,;
China.;
合并问题; 砾岩; 控制; 市场集中度; 经济; 大陆; 企业集团; 法律规则;