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Price. S. P *. D. Q * Quantity. Test Yourself. Which is more important in determining market equilibrium supply or demand? Is it utility or cost of production that determines value?. Answer – both are important
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Price S P* D Q* Quantity Test Yourself Which is more important in determining market equilibrium supply or demand? Is it utility or cost of production that determines value? Answer – both are important “We might as reasonably dispute whether it is the upper or lower blade of a pair of scissors that cuts a piece of paper, as whether the value is governed by utility or cost” Alfred Marshall 1920 p. 348
Test Your Self A What happens if demand decrease from D1to D2? D What is new equilibrium point? Why? What is CS before / after? What is PS before / after? What is TS before / after? B F H G C E D1 D2
Test Your Self A What happens if demand decrease from D1to D2? D What is new equilibrium point? Why? Equilibrium points – B to C What is CS before / after? What is PS before / after? What is TS before / after? B F H G C E D1 D2
Test Your Self A What happens if demand decreases from D1to D2? D • What is new equilibrium point? Why? • Equilibrium points – B to C • What is CS before / after? • ABF to DCG • What is PS before / after? • What is TS before / after? B F H G C E D1 D2
Test Your Self A What happens if demand decrease from D1to D2? D What is new equilibrium point? Why? Equilibrium points – B to C What is CS before / after? ABF to DCG What is PS before / after? EBF to ECG What is TS before / after? B F H G C E D1 D2
Test Your Self A What happens if demand decreases from D1to D2? D • What is new equilibrium point? Why? • Equilibrium points – B to C • What is CS before / after? • ABF to DCG • What is PS before / after? • EBF to ECG • What is TS before / after? • EBA to ECD B F H G C E D1 D2