# Questions tagged [consumer-surplus]

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### Consumer surplus in case of perfectly inelastic demand

How do we define consumer surplus in the case of perfectly inelastic demand? This question was inspired by the comments following this answer. For a graph of inelastic demand please also see the ...
3answers
518 views

### Price discrimination- how much is optimal?

I am of the understanding that as a general rule, price discrimination does not benefit consumers. Yet I can think of a situation where it does. Look at two countries, Australia and India. The price ...
1answer
21k views

### Equilibrium price and quantity - consumer and producer surplus

Inverse function of market demand for certain good is equal to $P=100-0.25Q$, inverse supply function is $P=20+0.55Q$. Calculate equilibrium price and quantity. Furthermore calculate consumer and ...
4answers
559 views

### what is consumer surplus practically?

In Microeconomics producer surplus is equivalent to profits minus fixed costs. However getting a tangible definition of consumer surplus has been difficult for me to ponder. What is the practical ...
1answer
110 views

### Dead Weight Loss (Tax)

Problem Given demand $D(p)=A-ap$, and $A,a>0$ and a fixed price $0<p_1<A/a$ by some company. My solution so far CS is \$CS=\int_{p}^{A/a}D(p)dp=\int_{p}^{A/a}(A-ap)dp=\frac{1}{2a}(A-ap)^2=\...