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.
In the Keynesian framework, aggregate demand is the sum of consumption demand, investment demand, government demand for goods and services, plus net exports. Aggregate supply is simply total output -- gross domestic product â the total production of goods and services in the economy. Both aggregate demand and aggregate supply are depicted as curves, with the price level on the vertical axis and income and output on the horizontal axis.