现代“管理科学”阶段是在科学管理和行为科学出现以后,特别是第二次世界大战以后科学技术有了更大的进步,生产力得到了巨大的发展,工业上普遍采用大机器并出现大型联合企业的情况下产生的。“管理科学”阶段的学派主要有:行政组织理论,决策理论、系统管理学派、管理科学学派等 The modern stage of “management science” came after scientific management and behavioral science emerged, especially after World War II, with greater advances in science and technology, tremendous growth in productivity, the widespread adoption of large machines in industry and the emergence of large unions Produced in the case of business. The schools of “management science” mainly include: administrative organization theory, decision theory, system management school, management science school, etc.