Market growth
(New - old/old)x100
Market share
(Firms sales/total industry sales)x100
PED
%change QD/ %change in price
YED
%change in QD/%change win income
Constructing a supply and demand diagram
- When a question asks you to construct a supply and demand diagram with a shift in supply or demand always remember LACES: Labels Axis Curves Equilibrium points Shifts