Institutional Ownership, Peer Pressure, and Voluntary Disclosures
利用罗素1000/2000指数调整造成的机构持股不连续变化，发现机构持股增加会通过同行压力促使同行业公司增加管理预测等自愿披露，以争夺资本。
ABSTRACT We document peer effect as an important factor in determining corporate voluntary disclosure policies. Our identification strategy relies on a discontinuity in the distribution of institutional ownership caused by the annual Russell 1000/2000 index reconstitution. Around the threshold of the Russell 1000/2000 index, the top Russell 2000 index firms experience a significant jump in institutional ownership compared with their closely neighbored bottom Russell 1000 index firms due to index funds' benchmarking strategies. The increase in institutional ownership and resultant improvement in the information environment of the top Russell 2000 index firms create pressures on their industry peers to increase voluntary disclosures. Consistent with this prediction, we find that the discontinuously higher institutional ownership of the top Russell 2000 index firms significantly increases industry peers' likelihood and frequency of issuing management forecasts. Further analyses show that such an effect could be driven by firms' incentive to compete for capital. JEL Classifications: G23; G34; M41; D80. Data Availability: Data are available from the public sources cited in the text.