Macroeconomics, even with all of our computers and with all of our information - is not an exact science and is incapable of being an exact science.
Paul SamuelsonBy keeping labor supply down, immigration policy tends to keep wages high. Let us underline this basic principle: Limitation of the supply of any grade of labor relative to all other productive factors can be expected to raise its wage rate; and increase in supply will, other things being equal, tend to depress wage rates.
Paul SamuelsonGlobalization presumes sustained economic growth. Otherwise, the process loses its economic benefits and political support.
Paul Samuelson