microbook_3e-page35

microbook_3e-page35 - wealth x Tastes and preferences (ex....

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Demand x Q.: Why do families have so many more TV sets today? x A. # 2: Families’ real incomes are larger. x An increase in income changes relationship between price and quantity demanded. x Demand curve shifts out (up and right) . When income rises, but the price of TV sets doesn’t change (i.e. ceteris paribus) , there’s more demand for TV sets at every price level. Movement along Demand Curve vs. Shift of Demand Movement alon g: x Only if there is change in the good’s price (shift of supply curve) Shift of demand , due to changes in: x Income x Accumulated
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Unformatted text preview: wealth x Tastes and preferences (ex. fewer smokers) x Prices of other goods x Expectations (of future income, wealth and prices) Income – a flow – sum of all earnings (wages, salaries, profits, interest payments, rents, etc.) in a given period of time Wealth – a stock – total value of what household owns minus what it owes Substitutes – when price of good X rises, demand for good Y rises (ex. cigs & rolling tobacco) Complements – when price of good X rises, demand for good Y falls (ex. pasta & sauce) Page 35...
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This note was uploaded on 12/29/2011 for the course ECO 311 taught by Professor Willis during the Fall '10 term at SUNY Stony Brook.

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