as concepts, income and wealth: question 2 options: a) differ in that income is a flow of money while wealth is a stock of valuable assets (including money). b) differ in that income is a stock of assets while wealth is the yearly inflow of assets. c) tell us nothing about the poverty rate since poverty is not determined by either in economics. d) are terms that describe the resources of different classes in society. the working class has income and the capitalist class has wealth.