Monday, May 20, 2013

Goals of the Firm - Profit Maximisation

Unit 1 > Module 2 > Topic 1

The goals of the firm are basically what the firm aims to do by staying in business; it’s their purpose. A firm may have several goals, but typically has a main thing they strive for, some popular aims are:

  1. Profit Maximization
  • Normal Profit - This is the minimum amount of profit necessary to entice the firm to keep producing. Typically it’s determined by the amount of money the entrepreneur is foregoing by setting up his own business. It’s the amount of money he could be making working the next best job.  So if someone makes $5000 a month working as a clerk and they decide to set up their own store they need to make at least $5000 in profit or else they might as well go back to being a sales clerk since it’s more profitable.
  • Abnormal Profit - This is anything in excess of the normal profit, it’s the extra. 

This is typically the main thing that keeps a firm in business; entrepreneurs try to make largest profit they can as a reward for the risk of entrepreneurship. It serves as motivation to the firm to stay in business and naturally you’ll try to make the biggest profit you can. There are two types of profit:
The profit maximization level is the point where profits cannot be increased further, at this point marginal revenue is equal to marginal cost.

retarded MS paint graph *shame*

q1 = MR > MC at this point the revenue from producing one more unit is greater than the cost of producing one more unit so the firm should there increase production to maximise profit until you get to point q
q2 = MR < MC at this point the cost of producing another unit is higher than the revenue you make from it, you’re making a loss and should therefore cut back production until you get to point q
q = MR = MC profit maximisation! this is the optimum point where you’re making as much profit as you can and you shouldn’t change a thing cause you’ll mess it up. 

3 comments:

  1. hi hi :) last year econ paper had some really hard questions such as, and i quote "with the aid of a diagram explain the income and substitution effects using either the Hicksian approach or the Slutskian approach ,with the aid of a diagram explain the relationship among the 'marginal cost curve', the 'supply curve' and the 'average variable cost curve', calculate for the industry the four firm concentration ratio, the herfindahl-hirschman index, and interpret two measures of industrial concentration in relation to market structures" hmph i was wondering if u can answer those questions or atleast give some insight into it. Also i was hoping you write up on each topic that comes for each section, thanks :)

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    1. hey there Anon!
      yeah last year was crappy (it was my paper - that i was completely underprepared for) I'll see what i can do...I don't think I'll be able to cover the entire syllabus since well the exam is tomorrow and i have to eat and sleep and shower and read webcomics and it's only so fast that i can think and type >.< I'll see if i can do some of the main things (don't worry i'll post something) good luck!

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