What options are there to reduce the return on equity for shareholders?

In OECD countries, the gap between the return on equity for shareholders and risk-free interest rates has become patently excessive. What options are there to reduce this gap? Increase wages and correct the skewing of income distribution; Increase investment , including lower-return investments; Reduce corporate debt leverage and replace debt with equity; Increase competition to eliminate the rents that result from dominant positions; Carry out capital increases reserved for employees. All these developments would in fact be positive.