DEMAND AND SUPPLY. Recap In unit 1, we studied how the free market allocate scares resources. In unit 2 we will study how scares resources are allocated.

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DEMAND AND SUPPLY

Recap In unit 1, we studied how the free market allocate scares resources. In unit 2 we will study how scares resources are allocated in different kinds of “free” markets. These markets broadly exist in 4 forms: - Perfection Competition - Monopoly - Oligopoly - Monopolistic Competitive DEMAND AND SUPPLY

PERFECT COMPETITION “IN THE END, WE ARE ALL GOING TO LOSE” DEMAND AND SUPPLY The Roti Prata Man

DEMAND AND SUPPLY The Market for Roti Prata – Perfect Competition I want it cheap I can get my prata ANYWHERE MAKE ME PRATA HAPPY!!! $2.00/prata ($1.50 profit) $1.50/ prata ($1.00 profit) Cost of 1 prata is $0.50 (Using best available resource, technology and method) Profile of The Quintessential Consumer

DEMAND AND SUPPLY The Market for Roti Prata – Perfect Competition I want it cheap So many prata stores MAKE ME PRATA HAPPY!!! $2.00/prata ($1.50 profit) $1.50/ prata ($1.00 profit) $1.00/prata ($0.50 profit) Cost of 1 prata is $0.50 (Using best available resource, technology and method)

DEMAND AND SUPPLY The Market for Roti Prata – Perfect Competition I want it cheap So many prata stores MAKE ME PRATA HAPPY!!! $1.00/prata ($0.50 profit) $0.50/prata (no more economic profit) at P= MC Cost of 1 prata is $0.50 (Using best available resource, technology and method)

Perfect Competition In a market that is under perfect competition, in the long run there is no more economic profits (only normal profits) to be made. DEMAND AND SUPPLY NO MORE

DEMAND AND SUPPLY Economic Profits = (Revenue – Cost of FOP) - Opportunity cost Economic Profit is Sales Revenue minus all costs including the opportunity cost. Thus economic profit may be lower than the accounting profit. If accounting profit equals the opportunity cost, economic profit is zero. When Economic Profits = 0 we call this normal profit. Normal profit is the minimum level of profit needed for a company to remain competitive in the market. Accounting Profits = (Revenue – Cost of FOP) BUT

Examples of Perfect Competition (refer to examples on page 29 Tragakes IB Text Book) 1.The International Inter Bank Forex (Currency) Market Interbank Bid/Offer Spread is 0.03 cents for every US$1 traded. ie. For every simultaneous buy/sell transaction, the bank will only be able to make US$0.03 for every US$1 traded. If there were less buyer/seller, the spread would be wider. Gold prices very volatile and nobody controls it. DEMAND AND SUPPLY

Perfect Competition 1. All firms sell an identical product. 2. All firms are price-takers. 3. All firms have a relatively small market share. 4. Buyers know the nature of the product being sold and the prices charged by each firm. 5. The industry is characterized by freedom of entry and exit. DEMAND AND SUPPLY

The Monopoly Market “I have control and there is not much you can do!” DEMAND AND SUPPLY Microsoft Operating System

Q1. What is it ab0ut Microsoft Vista that you not like? Q2. What are some of the options that you have to help you address your dissatisfaction with Vista. In your investment groups, brainstorm for some of the features of microsoft vista that you do not like. DEMAND AND SUPPLY The Monopoly Market

The microsoft license for usage of the Microsoft Vista software. DEMAND AND SUPPLY Q1. How many computers can you load Microsoft Vista into with one original copy in your hands? Ans: 2 Q2. How many times can you reinstall microsoft Vista into your computer? Ans: 2 Q3. Why would anyone buy a software with a license that only allows you to install on 2 computer or reinstall only 2 times? Ans: Because we don’t have a choice! The Monopoly Market

Consumer’s Disadvantages MONOPOLY of the operating system market The size of Microsoft is huge! Homogenous Product 1. Trouble 1 – Microsoft has 92.12% of the operating system software market with small and weak competitors. 2. Trouble 2 – The product (operating system software) does not have substitutes. 3. Trouble 3 – Most competitors to MS’s O/S market are small and insignificant. 4. Trouble 4 – Developing a new software to compete with Microsoft Windows is very expensive and takes a long time to test for workability. Large ($$) barriers to entry 1 firm with virtually no other firms in sight

“Why kill each other by cutting prices, let’s just collaborate and make the consumer pay more instead!!” DEMAND AND SUPPLY OLIGOPOLY Organization of Petroluem Exporting Countries (OPEC) The OPEC Cartel

Have you ever observed that gas prices at the pump does not seem to fall even when the international oil prices have dropped significantly? DEMAND AND SUPPLY OLIGOPOLY % Change in international oil price from Jan 2008 to Dec 2009 is 72% % change of average fuel oil price at gas stations in Singapore from Jan 2008 to Dec %

DEMAND AND SUPPLY Monopolistic Competitive The Car MarketThe Watch Market Q1. For each market, describe the kind (profile) of customer that would buy each brand. The Shoe Market Q2. Are these markets, perfectly competitive “free markets”. For these companies, in the end, is profits = 0?