Saturday, August 11, 2018

concepts of micro economics


Opportunity cost and trade off

The cost of something is what you gave up to get it -  opportunity cost
 Cost of the best alternative.
Whenever you make a trade-off, the thing that you do not choose is your opportunity cost.
Everything has opportunity costs.  If you just bought something, you could have always chosen to buy something else instead.  If you just chose to spend your time in a particular way, you could have always done something else.  "Something else" is your opportunity cost.
Trade-offs create opportunity costs
when we sacrifice one thing to obtain another, that's called a trade-off.
Example: one year ago, I decided to buy a bike but my parents told me to buy a scooty, so that me and my sister can use it.at the end I buy a scooty because of my parents.
Then I faced trade-off.
And buy scooty instead of bike is the opportunity cost.

Example: 3 years ago my cousin marriage was held and on the same day my first year graduation exam was also there. My cousin sister was deeply attached with me. A great trade-off was faced by me on that day. At last I choose to gave the exam.

Consumer surplus

It is the difference between the amount that a consumer is willing to pay and the amount that he actually pays for the commodity.

·                     willingness to pay: the maximum amount that a buyer pays for commodity.

Example: I am from a middle class family. Once I decided to buy a laptop and my father told me that he is willing to pay  23,000 Rs but I spend  21,500 RS. for the new laptop. the remaining 1500 RS was my consumer surplus.

Example: last year on my mom’s birthday I decided to give a gift and I was willing to buy a gift. But I had 5,600 Rs only so I decided to buy a silk saare when I asked to shopkeeper about the price of silk saare he told it costs 4,100 Rs. So the remaining value 1,500 Rs was my consumer surplus.

Customer satisfaction and producer surplus


Customers satisfaction from a product or a service based on whether their need is met effortlessly, in a convenient way that makes them loyal to the firm.
The degree of satisfaction provided by the goods or services of a company as measured by the number of repeat customers.
A producer surplus is a difference between how much of a good the producer is willing to supply versus how much he receives in the trade. The difference or surplus amount is the benefit the producer receives for selling the good in the market. A producer surplus is generated by market prices in excess of the lowest price producers would otherwise be willing to accept for their goods.
Example: my father runs a business of spare parts for tractors. And some of the parts are manufactured in the workshop. Silencer is most expensive and important tool of a tractor. And in our workshop we use good quality material for making the silencer that’s why the cost of silencer is high in comparison with another shop’s price of silencer. But customer feedback is saying that silencer life of our workshop is very long than another shops silencer.
So customer satisfaction can help to increase the producer surplus.

Example: before coming to Bangalore I thought I would buy a new phone and sell the old one. And decided on selling price of old phone at 6,700 Rs. A friend of mine came to me and told me that a friend of his wants to buy a phone. And he is willing to pay 7,800 Rs. So I sold the phone to him. 1,100 Rs. Is my surplus. Few days ago, that person called me and told that he was satisfied with my phone and happy to buy that phone from me.

Credits:  www.shmoop.com
www.businessdictionary.com







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