The effect of stability and concentration of upstream and downstream relationships of focal firms on two-level trade credit焦点企业上下游关系的稳定性和集中度对两级贸易信贷的影响INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICSIF102024-04-014PRE
Supply chain network structure and firm's R&D investments: empirical evidence from Chinese manufacturing firms供应链网络结构与企业研发投入 -- 来自中国制造业企业的经验证据european management journalIF5.72022-08-098OA