Unlike Hegel's progress model of history, which moves by stages, each containing its own logic of growth and decline, the economic model develops as the simple function of one money-variable over time, with a long-term trend which increases monotonically.
John CarrollRelated topics
containing history model simple trend movesRelated quotes
My recent work on macroeconomics has stressed long-term issues, including the determinants of long-run economic growth. From the standpoint of fighting world poverty, nothing is more important than figuring out which policies differentiate the fast-growing countries from the slow-growing ones.
Robert Barro