Interlocking directorates are illegal under the ____ whether or not the effect may be to substantially lessen competition

Why are prices for groceries and household items typically higher at a 24-hour convenience store compared to stores open from 6 am to 11 pm?

A) Shoppers' options are generally fewer in the middle of the night. B) The elasticity of demand of the middle-of-the-night shopper is typically higher than the mid-day shopper's elasticity. C) The owners of the 24-hour stores are typically more selfish than the others. D) The owners of the 24-hour stores are more interested in maximizing net revenue compared to the others.

As used in this text, "autonomous" variables are

A) spontaneous variables that are completely unpredictable. B) completely independent of income, although they can be explained by movements in other variables. C) determined only by income levels. D) the same as endogenous variables.