There are some qualitative shifts in growth rate with investment. For example, very small amounts of money basically cannot be invested in the financial due to the high fixed costs associated with money laundering regulation, etc.
On the other hand, the more income people have, the more they consume, which reduces growth. Levels of consumption deemed adequate by our ancestors, and indeed consistent with high savings rates, are not viewed as acceptable any more.
There are some qualitative shifts in growth rate with investment. For example, very small amounts of money basically cannot be invested in the financial due to the high fixed costs associated with money laundering regulation, etc.
On the other hand, the more income people have, the more they consume, which reduces growth. Levels of consumption deemed adequate by our ancestors, and indeed consistent with high savings rates, are not viewed as acceptable any more.