There are simpler factors to explain the good economic growth 1982-1988: a big drop in inflation (engineered by Fed chair Paul Volcker) and a drop in the price

There are simpler factors to explain the good economic growth 1982-1988: a big drop in inflation (engineered by Fed chair Paul Volcker) and a drop in the price of oil (mainly just luck). There was also a lot of deficit spending. Reforms in the 1981 and 1986 tax bills may have been helpful on the margin, but they're small compared to economic fundamentals.