Does Digitization Drive IUR Synergy Innovation?: On the Mediation Effect of Intellectual Property Protection and Firm Absorptive Capacity
（1.School of Economics, Chongqing Technology and Business University, Chongqing 400067, China; 2. Research Cener for Economy of Upper Reaches of theYangtze River, Chongqing Technology and Business University, Chongqing 400067, China）
