ECON101 Lecture Notes - Lecture 1: Marginal Utility, Marginal Cost, Opportunity Cost

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tealpanda100

5 Oct 2016

School

University of Waterloo

Department

Economics

Course

ECON101

Professor

Predrag Rajsic

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ECON101 Full Course Notes

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Every day, 33 million canadians and 7 billion people in other countries make economic choices that result in what, how, and for whom goods and services are produced. If something is painful, that"s a cost, economists don"t only calculate dollars, feelings are also included in costs and benefits. Occurs when the government takes private property for public purpose, say, to build a road. Previous owners of the land get compensated, but not as much as they would like to. Six key ideas define the economic way of thinking: People make rational choices by comparing benefits and costs. Benefit is what you gain from something. Cost is what you must give up to get something. Most choices are how-much choices made at the margin. Going to university for 4+ years as a choice. A rational choice is one that compares costs and benefits and achieves the greatest benefit over cost for the person making the choice.

Related Questions

Economics is nothing more than the study of scarcity and choice. It's called the Economizing Problem.

Economics is also the study of human action---why people make the choices they do.

We have finite (limited) resources and infinite (unlimited) demand for goods and services. We must, therefore, use rational decisions as to how to allocate these resources so that we can produce the goods and services that satisfy as many needs and wants as possible.

Needs are those things that make life possible---food, clothing, shelter, etc. Wants are the things that make life easier---glass in windows, carpet on the floor, a refrigerator to keep your beer cold, etc.

The resources we are trying to use wisely are not confined to money. We are talking about talent, ability, drive, ambition, etc. We can't all be brain surgeons. Nor would most of us want to be. We have different needs and wants that drive our ambitions. I have 5 grandchildren. The oldest two are twins---a boy and a girl. My granddaughter graduated from Idaho University with a bachelor's and a master's degree in accounting in 5 years. She passed the CPA exam on the first try. She now lives in Panama and works for BMW. She speaks, reads, and writes 4 languages, including English. Her brother finally graduated from the University of Arkansas in May 2016 after 8 years! Why did it happen this way?? They were raised the same way by the same parents. Why was my granddaughter drove to succeed and my grandson so listless?

Then there is subjective valuation and opportunity cost. Opportunity cost is nothing more than what you have to give up to do something else. Some of you might have to roll out of the bar or the party a little before you wanted to leave just to be able to attend my class. You might also have to give up some precious sleep. In any event, you had to give up something to attend my class. That's the opportunity cost. Remember, everything you do has a price (opportunity cost) that must be paid according to Harry Browne who wrote, How I Found Freedom in an Unfree World.) To do one thing you must give up the opportunity to do something else.

When people decide to buy a product or service they must decide if it will satisfy a need or want at a price they are willing to pay. The number one reason that people buy the products or services they do is called Personal Tastes or Preferences (Subjective valuation). Everyone has a different price they are willing to pay for the same product or service. Something is only worth what someone is willing to pay for it. That's a subjective valuation. Each of us has a different intensity of demand for the same products. Things you want I may not care for at all, and the opposite may also be true. This is why there is such a variety of goods and services offered on the market.

Subjective valuation is also fluid. As your income goes either up or down it changes your valuation of products and services. Have you ever wanted something so bad you would do almost anything to get it---an i phone or I pad?---but once you get the money you think, "do I really want this?' and you don't buy it. This is common. If it were not for a subjective valuation we would all be wearing the same style and color clothes and living in similar houses, etc. Wouldn't that be a wonderful world! I'd find the tallest building in downtown Orlando and see if I could fly! It is not the similarity in people that interests me. It's the differences. It's my desire not to be like everyone else that has driven my life. Don't strive to be someone else. Strive to find and be yourself. God save me from a terminal case of conventional wisdom!

There are 5 embedded questions.

Give me an example of subjective valuation.

salmoneel837

Big banks urge Ottawa to spend $20-billion in rapid stimulus

"Two of Canada's big banks want the federal government to pump $20-billion into an economic stimulus for a fast jolt to the flagging economy. Bank of Nova Scotia urged Ottawa to spend that much by mid-2017. Such a measure, the bank said, would equal 1 percent of gross domestic product and would play into its new economic forecast for GDP growth of 1.3 percent this year and 2.5 percent next. Canadian Imperial Bank of Commerce called for $20-billion in the government's first year, saying the pledges on the table just aren't enough. The Liberal government of Prime Minister Justin Trudeau has indeed promised to spend billions in infrastructure stimulus. But, beyond the recent campaign pledges, there have been no details on the final amount, the targets, and the timeline. And remember, the fiscal outlook has changed rapidly, with the Liberals now forecasting a deficit of $18-billion even without their promised spending. Canadians will get the details when Finance Minister Bill Morneau unveils his budget on March 22. While Scotiabank and CIBC are the first to have specific calls, other bank economists have said the further stimulus would be welcome, and that the government certainly has the fiscal room to accommodate it. Scotiabank painted a weak economic picture for 2016, particularly for the oil-shocked province of Alberta, and a national unemployment rate that will top 7 per cent this year and next. It projected the economy of Alberta, which had been the country's economic engine until the oil route, will contract by a further 1.9 percent this year, with a jobless rate of 7.5 percent. Our Canadian forecast incorporates our recommendation for the federal fiscal stimulus of $20-billion, equivalent to 1 per cent of GDP, implemented during the second of 2016 and the first half of 2017, said Aron Gampel, Scotiabank's deputy chief economist. "This stimulus would be over and above the deficit resulting from weaker economic conditions, estimated for fiscal 2016-17 at $18-billion by the federal government," he added. "The stimulus should be designed to: deliver a rapid economic impact; raise Canada's economic capacity and thus our longer-term growth prospects; and, facilitate adjustments in the provinces most affected by weak commodity prices. Once the Canadian economy no longer requires policy support, targeting a declining ratio of net debt-to-GDP should resume." CIBC also weighed in on the stimulus debate today, calling for $20-billion in stimulus over two years. The Liberal pledges had been for $5-billion infrastructure and a further $5-billion in other measures in their first two years in power. But CIBC World Markets doesn't think that's enough given the country's economic troubles. "Federal stimulus under that scenario would be barely more than 0.5 percent of GDP, arguably too little to do the job, particularly with some provinces applying fiscal brakes," said CIBC's Royce Mendes and Avery Shenfeld. "We see a $20-billion stimulus program with a $40-billion deficit as being more appropriate, but given the political sensitivities, the government might show something closer to $35-billion for 2016-17, while perhaps taking on some further stimulus charged to the outgoing year." Some academics believe that in this low-interest-rate environment, what we need is a strong blast of fiscal stimulus to drive employment and growth. They argue that we should reject fiscal austerity and embrace public investment. Indeed, that has been the primary economic platform for the Liberal party, and for some, the reason for them winning a majority in the last election."

(a) The IMF "It is Mostly Fiscal" appears to be what Trudeau and his economic team have bought into. Explain why further fiscal austerity could be particularly painful for the Canadian economy, and how deficit spending may lower the government debt to GDP ratio. Be sure to illustrate using the IS-LM and the AD-AS frameworks.

(b) Discuss why Canadian banks are particularly concerned that the government fiscal stimulus plan may not be enough.

(c) Discuss what are some of the problems with using expansionary monetary policy in an environment of low interest rates. That is, describe the problem of a "liquidity trap."

mauveworm149

Part 1.Choose the correct answer of the following:

1.In a market economy, economic activity is guided by

a.Self-interest and prices

b.The government.

c.Corporations.

d. Central planners.

2. Which of the following decisions must be made by all economies?

a.How much to produce? When to produce? How much does it cost?

b.What to produce? How to produce? For whom to produce?

c.What is the price? Who will produce it? Who will consume it?

d. None of the above

3.Since the resources used in the production of goods and services are limited, society must:

a.Reduce the use of those resources

b.Try to get more resources

c.Make choices about how to use resources

d.Focus on their most abundant resource

4.Which of the following observations was made famous by Adam Smith in his book The Wealth of Nations?

a.Households and firms interacting in markets are guided by an "invisible hand" that leads them to desirable market outcomes.

b.There is no such thing as a free lunch.

c.People buy more when prices are low than when prices are high.

d. No matter how much people earn, they tend to spend more than they earn.

5.If real GDP increased by 2 percent, then

a.Government spending increased by 2 percent

b.The price level has increased by 2 percent

c.Real output/production has increased by 2 percent

d. The increase might have been caused by an increase in the price level or output, but we cannot tell for sure

6. Which of the following would show an efficient economy?

a.Uses the least costly amount of resources available

b.Has a small amount of people who do not work

c.Resources are used to make the most goods and services possible

d.None of the above

7.What is the type of unemployment that occurs when people take time to find a job?

a.cyclical

b.frictional

c.Disguised

d.structural

emeraldoyster872

ECON101 Lecture Notes - Lecture 1: Marginal Utility, Marginal Cost, Opportunity Cost

ECON101 Full Course Notes

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