Adaptive immunity refers to antigen-specific immune response. The adaptive immune response is more complex than the innate. The antigen first must be processed and recognized. Once an antigen has been recognized, the adaptive immune system creates an army of immune cells specifically designed to attack that antigen.Adaptive immunity also includes a memory that makes future responses against a specific antigen more efficient.he antigen first must be processed and recognized. Once an antigen has been recognized, the adaptive immune system creates an army of immune cells specifically designed to attack that antigen. Adaptive immunity also includes a memory that makes future responses against a specific antigen more efficient.
Fiscal policy is the use of government spending and taxation to influence the economy. When the government decides on the goods and services it purchases, the transfer payments it distributes, or the taxes it collects, it is engaging in fiscal policy.
Discretionary Fiscal Policy. Discretionary fiscal policy is made more difficult due to lags in recognizing the need for changed fiscal policy and the lags that occur with enacting the changed fiscal policy. Implementing the modified fiscal policy usually requires legislative action, which takes a long time to implement.