商业模式创新与企业绩效影响：案例与实证：case analysis & empirical research case analysis & empirical research 行政立法成本分析与实证研究：cost analysis and empirical research theoretical analysis and empirical research cost analysis and empirical research theoretucal analysis and empirical research 上市公司融资结构：理论与实证研究：theoretucal analysis and empirical research 企业研发投入驱动：理论分析与经验研究：theoretical analysis and empirical research