Hu, Y.;                     Chen, S.;                     Qiu, F.;                     Chen, P.;                     Chen, S.    
        Will the Volume-Based Procurement Policy Promote Pharmaceutical Firms’ R&D Investment in China? An Event Study Approach. Int. J. Environ. Res. Public Health 2021, 18, 12037.
    https://doi.org/10.3390/ijerph182212037
    AMA Style
    
                                Hu Y,                                 Chen S,                                 Qiu F,                                 Chen P,                                 Chen S.        
                Will the Volume-Based Procurement Policy Promote Pharmaceutical Firms’ R&D Investment in China? An Event Study Approach. International Journal of Environmental Research and Public Health. 2021; 18(22):12037.
        https://doi.org/10.3390/ijerph182212037
    
    Chicago/Turabian Style
    
                                Hu, Yuanyuan,                                 Shouming Chen,                                 Fangjun Qiu,                                 Peien Chen,                                 and Shaoxiong Chen.        
                2021. "Will the Volume-Based Procurement Policy Promote Pharmaceutical Firms’ R&D Investment in China? An Event Study Approach" International Journal of Environmental Research and Public Health 18, no. 22: 12037.
        https://doi.org/10.3390/ijerph182212037
    
    APA Style
    
                                Hu, Y.,                                 Chen, S.,                                 Qiu, F.,                                 Chen, P.,                                 & Chen, S.        
        
        (2021). Will the Volume-Based Procurement Policy Promote Pharmaceutical Firms’ R&D Investment in China? An Event Study Approach. International Journal of Environmental Research and Public Health, 18(22), 12037.
        https://doi.org/10.3390/ijerph182212037