Which of the following is a stock variable?

Applying neoclassical theory to the housing market, the idea that "housing is a good investment" refers to ________

A) higher expected household income B) the inability to buy as much housing at a higher price C) an expected increase in the relative price of housing D) a decrease in the cost of building new houses

The higher the expected rate of inflation,

A) the lower is the nominal rate of interest. B) the higher is the real rate of interest. C) the higher is the nominal rate of interest. D) the higher the real and nominal rates of interest.