what is the formula for marginal utility
muA/pA = muB/pB
mu = marginal utility
p = price
formula for PED
% change in quantity demanded / % change in price
formula for YED
% change in quantity demanded / % change in income
formula for XED
% change in quantity demanded for good X / % change in price of good Y
formula for PES
% change in quantity supplied / % change in price
what is the productivity formula
total output per period of time / total units produced
formula of labour productivty
total output/number of workers
formula for capital productivity
output /capital input
formula for average fixed costs
fixed cost / output
formula for average variable costs
total variable cost / output
formula for average total costs
total cost / output
how to calculate MRP
MPPL x price
calculation for wage elasticity of demand
% change in labour demanded / % change in wages
what is the formula for elasticity of supply for labour
% change in quantity of labour supplied / % change in wages
how to calculate index numbers
change in raw value / base year x 100
what is the equation for yield
annual coupon payment / current bond price x 100