Keyword: population

Exponential Growth (3/3/2014)

Exponential growth is unsustainable.

Keywords: exponential growth, population

Flows and Stocks (6/17/2010)

The excess of inflows over outflows adds to the stock if flows are not instantly perishable.

Keywords: aging, capital, debt, deficit, depreciation, Flow, infrastructure, investment, population, saving, stock, vintage