1.Tax Policy:
He proposed tax cuts amounting to trillions of dollars, including expanding the 2017 tax cuts and reducing the corporate tax rate from 21% to 15%.
2.Trade Policy:
He planned to impose new tariffs of 10%-20% on most foreign goods, with higher tariffs on Chinese products (at one point, up to 60%), and heavy tariffs on Mexican automobile products (even threatening to reach 200%).
3.Monetary Policy:
The Federal Reserve should lower interest rates to stimulate economic growth.
These economic policies are applied based on certain conditions, it cannot be a long term policy. The FEDs have increased or kept interest rates steady for a long time. But it has been reducing for the last two months because of a decline in inflation and a reduction in job opportunities. Economists have predicted that if Trump implements these policies (together with his mass deportation) at once it will lead to high inflation.