What causes a downward movement along a demand curve ?
Mention one factor that causes a rightward shift of the demand curve. [AI 2001]
Mention one factor that causes a leftward shift of the demand curve. [Delhi 2001]
When does a demand curve shift ? [Delhi 2009C]
Define price elasticity of demand. [AI 2004; NCERT]
What is elastic demand ?
Or When is demand for the commodity called elastic ? [AI 2007C, 09C;Foreign 2009]