題組內容
5. Let the demand and supply functions for a commodity be: 
where Y0 is income and T0 is the tax on the commodity. All derivatives are continuous.
(c) Find ∂P*/∂Y0 and ∂P*/∂Y0 , and discuss their economic implications.
5. Let the demand and supply functions for a commodity be: 
(c) Find ∂P*/∂Y0 and ∂P*/∂Y0 , and discuss their economic implications.