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.
Factors Causing Increase in Demand. Various factors responsible for increase in aggregate demand for goods and services are as follows. 1. Increase in Money Supply: An increase in the money supply leads to an increase in money income. The increase in money income raises the monetary demand for goods and services.