2026-10-12T14:44:19Z https://api.figshare.com/v2/oai

oai:figshare.com:article/33999996 2026-09-25T17:48:24Z category_7 category_272 category_106 category_132 portal_5 item_type_3 month_year_09_2026

<p>High- and medium-frequency CAR results for Events 1 and 2 (%).</p> Xiangfei Li (7143896) Yidan Zhao (522267) Medicine Environmental Sciences not elsewhere classified Science Policy Infectious Diseases whereas centralized procurement unified analytical framework six shenwan second involved drug r csi 300 index daily ars following estimate abnormal returns aggregate industry index centralized procurement events event windows examined china </ p cumulative abnormal returns level pharmaceutical sub level pharmaceutical reconstruct returns study framework shenwan first industry indices event windows drug review china using index levels biotechnology index observed abnormal verification event time scales sector indices return scales return patterns results show registration regulation multiple scales market benchmark instrument attributes generally negative generalizations based cumulative direction consistent correspondence approval system <p>High- and medium-frequency CAR results for Events 1 and 2 (%).</p> 2026-09-25T17:48:07Z Dataset Dataset 10.1371/journal.pone.0353989.t004 https://figshare.com/articles/dataset/_p_High-_and_medium-frequency_CAR_results_for_Events_1_and_2_p_/33999996 CC BY 4.0