Depending on what motivations are, separate controlling interest from personal wealth, at least above some reasonable limit.
Obviously easier said than done, but unless the predominant incentive for everyone is just to generate more wealth for themselves/relatives/etc, other existing incentives should be sufficient to invest.
What are some of our greatest long term investments? I can think of a few: The national parks, university system, Federal Reserve, NIH...
"you can't just abolish nepotism, that's tantamount to abolishing capitalism!"
yes
"People bequeathing their own property is literally nepotism" - Tankies and their idols Stalin, Mao, and Kim Jong Un
RNG green username has -1 total karma as I post this
Depending on what motivations are, separate controlling interest from personal wealth, at least above some reasonable limit.
Obviously easier said than done, but unless the predominant incentive for everyone is just to generate more wealth for themselves/relatives/etc, other existing incentives should be sufficient to invest.