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p Own-Price Changes Ordinary demand curve Fixed p2 and y for commodity 1 s ay (a+b)pl X2 by (a+ b)p2 ay X (a+b)p1x1 *(p1 ’’’) x1 *(p1 ’) x1 *(p1 ’’) x2 x1 p1 x1 * Own-Price Changes Ordinary demand curve for commodity 1 is Fixed p2 and y. x by a b p 2 2 * ( ) = + x ay a b p 1 1 * ( ) = + x ay a b p 1 1 * ( ) = +
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