"Control of corporate assets by wealthy families in economies lacking institutional integrity is common. It has negative implications on corporate governance and adverse macroeconomic effects when it extends across a sufficiently large part of the country's corporate sector. Morck and Yeung...

Countries in which billionaire heirs' wealth is large relative to G.D.P. grow more slowly, show signs of more political rent-seeking, and spend less on innovation than do other countries at similar levels of development. In contrast, countries in which self-made entrepreneur billionaire wealth...