#cfa #cfa-level-1 #economics #microeconomics #reading-14-demand-and-supply-analysis-consumer-demand #section-4-the-opportunity-set #study-session-4
Consumers must generally purchase goods and services with their limited incomes and at given market prices. Companies, too, must divide their limited input resources in order to produce different products. Investors are not able to choose both high returns and low risk simultaneously.