And textbook economics, in my case, along with some back-of-the-envelope calculations.
Sure. But the bottom line involves comparing what the President did with what the President could have done, and the associated effects.
For example, with capacity utilization at around 75%, today’s policy makers could pursue higher short-term budget deficits and lower short interest rates without inflationary consequences.
A $100 billion block grant to the states is an example of a policy that is both large (1% of GDP) and plausibly temporary (Congress can stop the grants once the recovery catches on).
Assuming a multiplier of 2.0 gives a stimulus of 2% of GDP, which is roughly the difference between recession and recovery. Furthermore, I am even ignoring the accelerator effect. (Definitions available by request or in any introductory economics textbook).
Background info on annual real GDP growth:
Year Real GDP Growth
1980 -0.2% Pres ave
Nov 1980: Reagan Elected
1981 2.5%
1982 -2.0%
1983 4.3%
1984 7.3%
1985 3.8%
1986 3.4%
1987 3.4%
1988 4.2% 3.4%
Nov 1988: Bush Sr Elected
1989 3.5%
1990 1.8%
1991 -0.5%
1992 3.0% 2.0%
Nov 1992: Clinton Elected
1993 2.7%
1994 4.0%
1995 2.7%
1996 3.6%
1997 4.4%
1998 4.3%
1999 4.1%
2000 3.8% 3.7%
Dec 2000: Bush Jr wins Supreme Court case following contested election
2001 0.3%
2002 2.4% 1.4%
I wouldn’t make too much of the multi-year averages. Much of Reagan’s growth performance occurred during an economic recovery: fast growth often occurs when capacity utilization is lower. Clinton’s 1997-2000 performance is more impressive, as it was supported by productivity growth. Nonetheless, it was also advanced by technological change (only partly supported by Clinton through the “Information Superhighway” initiative) and an investment boom (only partly supported by Clinton via budget surpluses that boosted national savings).
Overall, one can evaluate Presidential economic policy by considering whether (short run) aggregate demand policy was appropriate to the existing state of the economy and whether the longer-run policy was demonstrably pro-growth.
( Demonstrably = backed by empirical evidence, as opposed to napkin sketches and wishful thinking for example.)