CEO mobility and corporate policy risk
研究了CEO的流动性（换工作的能力和意愿）如何影响公司政策的风险程度，发现CEO流动性越高，公司政策越冒险，而限制劳动力流动的监管冲击会降低公司风险承担。
Career concerns can limit a manager's willingness to take risks, which can lead to excessive policy conservatism. An increase in a CEO's ability and willingness to change jobs (CEO mobility) can diversify her human capital and reduce her conservatism. We derive several CEO mobility measures and relate them to a policy riskiness index that captures the overall risk embedded in a firm's corporate policies. We find a strong positive relation between CEO mobility and the riskiness of corporate policies. We also link external regulatory shocks that constrain labor mobility to significant drops in corporate risk-taking.