After a month, serum total PSA value was 1.2 ng/ml. In another blood test after 3 months, serum total PSA value rose to 7 ng/ml with a percent free PSA of 40%. The urologist recommended a transrectal ultrasound-guided prostate biopsy. The patient refused biopsy.
Of the four components of aggregate demand, consumption expenditure C is the largest contributing to between 60% and 70% of total expenditure. For this reason, we often start our analysis with this particular component.
Aggregate demand is the sum of the combined demand for goods and services in an economy within a period under consideration. Several factors can lead to increases in aggregate demand such as monetary policies, fiscal policies, wage increases and the expectations of the citizens.