Neutrophils are the most common type of white blood cell, comprising about 50-70% of all white blood cells. They are phagocytic, meaning that they can ingest other cells, though they do not survive the act. Neutrophils are the first immune cells to arrive at a site of infection, through a process known as chemotaxis.
One of the basic theories stipulates that increasing interest rates raise consumers' and manufacturers' costs, which, in turn, reduces the amount of time and money people spend driving. Less people on the road translates to less demand for oil, which can cause oil prices to drop.
When the price level changes, the interest-rate effect is activated, which is what then results in a change in aggregate expenditures and the movement long the aggregate demand curve. To illustrate this process, click the [Change Price Level] button.owever, a boost in the price level that increases the interest rate on this loan to 12 percent results in monthly payments of $527. This extra $20 causes Duncan to pause and rethink this planned purchase. If he decides the extra expense is too much, then he has fallen victim to the interest-rate effect.