Mutually beneficial trade is impossible when different persons have different preferences about goods and services

A rightward shift of the supply curve will lead to a(n)

A) decrease in equilibrium price. B) excess supply at the old equilibrium price. C) increase in quantity demanded. D) All of the above.

The poverty threshold is often determined in terms of the expenditure on meals that meet a predetermined nutritional standard

a. True b. False Indicate whether the statement is true or false