The non-price determinants of supply	The non-price determinants of demand
Pe -- expected price Pog -- price of other goods PROD.BY SAME FIRM Pres -- price of resources T --technology T --taxes and subsidies N -- number of sellers	Pe -- expected price Pog -- price of other goods 1) substitute goods 2) complementary goods 3) independent goods I -- income 1) normal goods 2) inferior goods N -- number of POTENTIAL consumers T -- tastes and preferences