Read here about financial issues and how they relate to general issues of scale.

Fiat money and fractional reserve

Kurzweil wrote: Real gross domestic product in billions of constant dollars since 1920, per-capita GDP in constant dollars since 1920. Kurzweil:
The exponential trends underlying productivity growth are just beginning this explosive phase. The U.S. real gross domestic product has grown exponentially, fostered by improving productivity from technology… Some critics credit population growth with the exponential growth in GDP, but we see the same trend on a percapita basis.