Personal financial advice and portfolio quality
研究发现零售投资者广泛使用个人理财建议，且倾向于从亲友处获取；提供建议者更注重声誉风险，建议促使投资于基金而非个股。
Abstract We document widespread use of personal financial advice among retail investors. Individuals seek competent and trusted sources for financial advice among their family and friends. Investors who provide advice to family and friends are positively selected and emphasize the reputational costs of giving risky financial advice. While previous studies have shown that advice shared on social media promotes active trading, we show that personal financial advice encourages investing in funds over single stocks. Our evidence complements the existing literature on financial advice in online social networks by highlighting differences in incentives and outcomes of advice to close personal connections.