å¶åº¦å¤æ´çãå©ç¨ããShock-Based IVã¯IVãæºããã¹ãä»®å®ã®ã²ã¨ã¤ã§ããç¬ç«æ§(as-if random assignment to treatment)ãé¤å¤å¶ç´(only through)ãæºããã¦ããã¨èãããã¦ããããï¼å¤ãã®ç 究ã§å©ç¨ããã¦ãããï¼å è¡ç 究ã®Shock-Based IVã¯æ¬å½ã«ä»®å®ãæºããã¦ããã®ããååæãæ¤è¨¼ããè«æï¼ Atanasov, V. and B. Black. 2015. âThe Trouble with Instruments: Re-Examining Shock-Based IV Designs.â SSRN Working Paper è¦æ¨ã¯ä»¥ä¸ï¼ Credible causal inference in accounting and finance research often comes from ânaturalâ ex
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