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Monday, December 24, 2018

Big Oil

From Wikipedia, the free encyclopedia

Chart of the major energy companies dubbed "Big Oil" sorted by 2005 revenue
 
Big Oil is a name used to describe the world's six or seven largest publicly traded oil and gas companies, also known as supermajors. The supermajors are considered to be BP plc, Chevron Corporation, ExxonMobil Corporation, Royal Dutch Shell plc, Total SA and Eni SpA, with Phillips 66 Company also sometimes described in the past as forming part of the group.

The term, analogous to others, such as Big Steel, that describe industries dominated by a few giant corporations, was popularized in print from the late 1960s. Today it is often used to refer specifically to the seven supermajors. The use of the term in the popular media often excludes the national producers and OPEC oil companies who have a much greater role in setting prices than the supermajors. Two state-owned Chinese oil companies, CNPC and Sinopec, had greater revenues in 2013 than any of the supermajors except Royal Dutch Shell.

In the maritime industry, six to seven large oil companies that decide a majority of the crude oil tanker chartering business are called "Oil Majors".

History

The history of the supermajors traces back to the "Seven Sisters", the seven oil companies which formed the "Consortium for Iran" cartel and dominated the global petroleum industry from the mid-1940s to the 1970s. The Seven Sisters were:
Before the oil crisis of 1973 the members of the Seven Sisters controlled around 85% of the world's oil reserves. The supermajors began to emerge in the late-1990s, in response to a severe fall in oil prices. Large petroleum companies began to merge, often in an effort to improve economies of scale, hedge against oil price volatility, and reduce large cash reserves through reinvestment. The following major mergers and acquisitions of oil and gas companies took place between 1998 and 2002:
This process of consolidation created some of the largest global corporations as defined by the Forbes Global 2000 ranking, and as of 2007 all were within the top 25. Between 2004 and 2007 the profits of the six supermajors totaled US$494.8 billion.

Composition

Trading under various names around the world, the supermajors are considered to be:
ConocoPhillips Company (United States) was also sometimes described as forming part of the group, before the Downstream activities spin-off. As of 2011 ExxonMobil ranked first among the supermajors measured by market capitalization, cash flow and profits.

As a group, the supermajors control around 6% of global oil and gas reserves. Conversely, 88% of global oil and gas reserves are controlled by the OPEC cartel and state-owned oil companies, primarily located in the Middle East. A trend of increasing influence of the OPEC cartel, state-owned oil companies in emerging-market economies is shown and the Financial Times has used the label "The New Seven Sisters" to refer to a group of what it argues are the most influential national oil and gas companies based in countries outside of the OECD, namely CNPC (China), Gazprom (Russia), National Iranian Oil Company (Iran), Petrobras (Brazil), PDVSA (Venezuela), Petronas (Malaysia), Saudi Aramco (Saudi Arabia).

Largest oil and gas companies by USD 2015 revenue

* Revenue in 2013 ** Revenue in 2012

"Big oil"

Petroleum and gas supermajors are sometimes collectively referred to as "Big oil", a term that emphasizes their economic power and perceived influence on politics, particularly in the United States. Big oil is often associated with the fossil fuels lobby

Usually used to refer to the industry as a whole in a pejorative or derogatory manner, "Big oil" has come to encompass the enormous impact crude oil exerts over first-world industrial society.

Maritime "Oil Majors"

In the maritime industry, a group of six companies that control the chartering of the majority of oil tankers worldwide are together referred to as "Oil Majors". These are: Royal Dutch Shell, BP, Exxon Mobil, Chevron Texaco, Total Fina Elf and ConocoPhillips. Charter parties such as "Shelltime 4" frequently mention the phrase "oil major".

Oligopoly

From Wikipedia, the free encyclopedia

An oligopoly (/ɒlɪˈɡɒpəli/, from Ancient Greek ὀλίγος (olígos) "few" + πωλεῖν (poleîn) "to sell") is a market form wherein a market or industry is dominated by a small number of large sellers (oligopolists). Oligopolies can result from various forms of collusion which reduce competition and lead to higher prices for consumers. Oligopolies have their own market structure.
 
With few sellers, each oligopolist is likely to be aware of the actions of the others. According to game theory, the decisions of one firm therefore influence and are influenced by decisions of other firms. Strategic planning by oligopolists needs to take into account the likely responses of the other market. Entry barriers include high investment requirements, strong consumer loyalty for existing brands and economies of scale.

Description

Oligopoly is a common market form where a number of firms are in competition. As a quantitative description of oligopoly, the four-firm concentration ratio is often utilized. This measure expresses, as a percentage, the market share of the four largest firms in any particular industry. For example, as of fourth quarter 2008, if we combine total market share of Verizon Wireless, AT&T, Sprint, and T-Mobile, we see that these firms, together, control 97% of the U.S. cellular telephone market.

Oligopolistic competition can give rise to both wide-ranging and diverse outcomes. In some situations, particular companies may employ restrictive trade practices (collusion, market sharing etc.) in order to inflate prices and restrict production in much the same way that a monopoly does. Whenever there is a formal agreement for such collusion, between companies that usually compete with one another, this practice is known as a cartel. A prime example of such a cartel is OPEC, which has a profound influence on the international price of oil. 

Firms often collude in an attempt to stabilize unstable markets, so as to reduce the risks inherent in these markets for investment and product development. There are legal restrictions on such collusion in most countries. There does not have to be a formal agreement for collusion to take place (although for the act to be illegal there must be actual communication between companies)–for example, in some industries there may be an acknowledged market leader which informally sets prices to which other producers respond, known as price leadership

In other situations, competition between sellers in an oligopoly can be fierce, with relatively low prices and high production. This could lead to an efficient outcome approaching perfect competition. The competition in an oligopoly can be greater when there are more firms in an industry than if, for example, the firms were only regionally based and did not compete directly with each other. 

Thus the welfare analysis of oligopolies is sensitive to the parameter values used to define the market's structure. In particular, the level of dead weight loss is hard to measure. The study of product differentiation indicates that oligopolies might also create excessive levels of differentiation in order to stifle competition. 

Oligopoly theory makes heavy use of game theory to model the behavior of oligopolies:
  • Stackelberg's duopoly. In this model, the firms move sequentially.
  • Cournot's duopoly. In this model, the firms simultaneously choose quantities.
  • Bertrand's oligopoly. In this model, the firms simultaneously choose prices.

Characteristics

Profit maximization conditions
An oligopoly maximizes profits.
Ability to set price
Oligopolies are price setters rather than price takers.
Entry and exit
Barriers to entry are high. The most important barriers are government licenses, economies of scale, patents, access to expensive and complex technology, and strategic actions by incumbent firms designed to discourage or destroy nascent firms. Additional sources of barriers to entry often result from government regulation favoring existing firms making it difficult for new firms to enter the market.
Number of firms
"Few" – a "handful" of sellers. There are so few firms that the actions of one firm can influence the actions of the other firms.
Long run profits
Oligopolies can retain long run abnormal profits. High barriers of entry prevent sideline firms from entering market to capture excess profits.
Product differentiation
Product may be homogeneous (steel) or differentiated (automobiles).
Perfect knowledge
Assumptions about perfect knowledge vary but the knowledge of various economic factors can be generally described as selective. Oligopolies have perfect knowledge of their own cost and demand functions but their inter-firm information may be incomplete. Buyers have only imperfect knowledge as to price, cost and product quality.
Interdependence
The distinctive feature of an oligopoly is interdependence. Oligopolies are typically composed of a few large firms. Each firm is so large that its actions affect market conditions. Therefore, the competing firms will be aware of a firm's market actions and will respond appropriately. This means that in contemplating a market action, a firm must take into consideration the possible reactions of all competing firms and the firm's countermoves. It is very much like a game of chess, in which a player must anticipate a whole sequence of moves and countermoves in order to determine how to achieve his or her objectives; this is known as game theory. For example, an oligopoly considering a price reduction may wish to estimate the likelihood that competing firms would also lower their prices and possibly trigger a ruinous price war. Or if the firm is considering a price increase, it may want to know whether other firms will also increase prices or hold existing prices constant. This anticipation leads to price rigidity as firms will be only be willing to adjust their prices and quantity of output in accordance with a "price leader" in the market. This high degree of interdependence and need to be aware of what other firms are doing or might do is to be contrasted with lack of interdependence in other market structures. In a perfectly competitive (PC) market there is zero interdependence because no firm is large enough to affect market price. All firms in a PC market are price takers, as current market selling price can be followed predictably to maximize short-term profits. In a monopoly, there are no competitors to be concerned about. In a monopolistically-competitive market, each firm's effects on market conditions is so negligible as to be safely ignored by competitors.
Non-Price Competition
Oligopolies tend to compete on terms other than price. Loyalty schemes, advertisement, and product differentiation are all examples of non-price competition.

Oligopolies in countries with competition laws

Oligopolies become "mature" when they realise they can profit maximise through joint profit maximising. As a result of operating in countries with enforced competition laws, the Oligopolists will operate under tacit collusion, which is collusion through an understanding that if all the competitors in the market raise their prices, then collectively all the competitors can achieve economic profits close to a monopolist, without evidence of breaching government market regulations. Hence, the kinked demand curve for a joint profit maximising Oligopoly industry can model the behaviours of oligopolists pricing decisions other than that of the price leader (the price leader being the firm that all other firms follow in terms of pricing decisions). This is because if a firm unilaterally raises the prices of their good/service, and other competitors do not follow then, the firm that raised their price will then lose a significant market as they face the elastic upper segment of the demand curve. As the joint profit maximising achieves greater economic profits for all the firms, there is an incentive for an individual firm to "cheat" by expanding output to gain greater market share and profit. In Oligopolist cheating, and the incumbent firm discovering this breach in collusion, the other firms in the market will retaliate by matching or dropping prices lower than the original drop. Hence, the market share that the firm that dropped the price gained, will have that gain minimised or eliminated. This is why on the kinked demand curve model the lower segment of the demand curve is inelastic. As a result, price rigidity prevails in such markets.

Modeling

There is no single model describing the operation of an oligopolistic market. The variety and complexity of the models exist because you can have two to 10 firms competing on the basis of price, quantity, technological innovations, marketing, and reputation. However, there are a series of simplified models that attempt to describe market behavior by considering certain circumstances. Some of the better-known models are the dominant firm model, the Cournot–Nash model, the Bertrand model and the kinked demand model.

Cournot–Nash model

The CournotNash model is the simplest oligopoly model. The model assumes that there are two "equally positioned firms"; the firms compete on the basis of quantity rather than price and each firm makes an "output of decision assuming that the other firm's behavior is fixed." The market demand curve is assumed to be linear and marginal costs are constant. To find the Cournot–Nash equilibrium one determines how each firm reacts to a change in the output of the other firm. The path to equilibrium is a series of actions and reactions. The pattern continues until a point is reached where neither firm desires "to change what it is doing, given how it believes the other firm will react to any change." The equilibrium is the intersection of the two firm's reaction functions. The reaction function shows how one firm reacts to the quantity choice of the other firm. For example, assume that the firm 1's demand function is P = (MQ2) − Q1 where Q2 is the quantity produced by the other firm and Q1 is the amount produced by firm 1, and M=60 is the market. Assume that marginal cost is CM=12. Firm 1 wants to know its maximizing quantity and price. Firm 1 begins the process by following the profit maximization rule of equating marginal revenue to marginal costs. Firm 1's total revenue function is RT = Q1 P = Q1(MQ2Q1) = MQ1Q1 Q2Q12. The marginal revenue function is .
RM = CM
M − Q2 − 2Q1 = CM
2Q1 = (M − CM) − Q2
Q1 = (M − CM)/2 − Q2/2 = 24 − 0.5 Q2 [1.1]
Q2 = 2(M − CM) − 2Q1 = 96 − 2 Q1 [1.2]
Equation 1.1 is the reaction function for firm 1. Equation 1.2 is the reaction function for firm 2. 

To determine the Cournot–Nash equilibrium you can solve the equations simultaneously. The equilibrium quantities can also be determined graphically. The equilibrium solution would be at the intersection of the two reaction functions. Note that if you graph the functions the axes represent quantities. The reaction functions are not necessarily symmetric. The firms may face differing cost functions in which case the reaction functions would not be identical nor would the equilibrium quantities.

Bertrand model

The Bertrand model is essentially the Cournot–Nash model except the strategic variable is price rather than quantity.

The model assumptions are:
  • There are two firms in the market
  • They produce a homogeneous product
  • They produce at a constant marginal cost
  • Firms choose prices PA and PB simultaneously
  • Firms outputs are perfect substitutes
  • Sales are split evenly if PA = PB
The only Nash equilibrium is PA = PB = MC. 

Neither firm has any reason to change strategy. If the firm raises prices it will lose all its customers. If the firm lowers price P < MC then it will be losing money on every unit sold.

The Bertrand equilibrium is the same as the competitive result. Each firm will produce where P = marginal costs and there will be zero profits. A generalization of the Bertrand model is the Bertrand–Edgeworth model that allows for capacity constraints and more general cost functions.

Oligopolistic market Kinked demand curve model

According to this model, each firm faces a demand curve kinked at the existing price. The conjectural assumptions of the model are; if the firm raises its price above the current existing price, competitors will not follow and the acting firm will lose market share and second if a firm lowers prices below the existing price then their competitors will follow to retain their market share and the firm's output will increase only marginally.

If the assumptions hold then:
  • The firm's marginal revenue curve is discontinuous (or rather, not differentiable), and has a gap at the kink
  • For prices above the prevailing price the curve is relatively elastic
  • For prices below the point the curve is relatively inelastic
The gap in the marginal revenue curve means that marginal costs can fluctuate without changing equilibrium price and quantity. Thus prices tend to be rigid.

Examples

In industrialized economies, barriers to entry have resulted in oligopolies forming in many sectors, with unprecedented levels of competition fueled by increasing globalization. Market shares in an oligopoly are typically determined by product development and advertising. For example, there are now only a small number of manufacturers of civil passenger aircraft, though Brazil (Embraer) and Canada (Bombardier) have participated in the small passenger aircraft market sector. Oligopolies have also arisen in heavily-regulated markets such as wireless communications: in some areas only two or three providers are licensed to operate.

Worldwide

Aircraft

Finance

Food

Technology

Australia

Canada

Media

Other

India

European Union

  • The VHF Data Link market as air-ground part of aeronautical communications is controlled by ARINC and SITA, commonly known as the organisations providing communication services for the exchange of data between air-ground applications in the Commission Regulation (EC) No 29/2009.

United Kingdom

United States

Media

Other

Demand curve

Above the kink, demand is relatively elastic because all other firms' prices remain unchanged. Below the kink, demand is relatively inelastic because all other firms will introduce a similar price cut, eventually leading to a price war. Therefore, the best option for the oligopolist is to produce at point E which is the equilibrium point and the kink point. This is a theoretical model proposed in 1947, which has failed to receive conclusive evidence for support.

In an oligopoly, firms operate under imperfect competition. With the fierce price competitiveness created by this sticky-upward demand curve, firms use non-price competition in order to accrue greater revenue and market share. 

"Kinked" demand curves are similar to traditional demand curves, as they are downward-sloping. They are distinguished by a hypothesized convex bend with a discontinuity at the bend–"kink". Thus the first derivative at that point is undefined and leads to a jump discontinuity in the marginal revenue curve

Classical economic theory assumes that a profit-maximizing producer with some market power (either due to oligopoly or monopolistic competition) will set marginal costs equal to marginal revenue. This idea can be envisioned graphically by the intersection of an upward-sloping marginal cost curve and a downward-sloping marginal revenue curve (because the more one sells, the lower the price must be, so the less a producer earns per unit). In classical theory, any change in the marginal cost structure (how much it costs to make each additional unit) or the marginal revenue structure (how much people will pay for each additional unit) will be immediately reflected in a new price and/or quantity sold of the item. This result does not occur if a "kink" exists. Because of this jump discontinuity in the marginal revenue curve, marginal costs could change without necessarily changing the price or quantity. 

The motivation behind this kink is the idea that in an oligopolistic or monopolistically competitive market, firms will not raise their prices because even a small price increase will lose many customers. This is because competitors will generally ignore price increases, with the hope of gaining a larger market share as a result of now having comparatively lower prices. However, even a large price decrease will gain only a few customers because such an action will begin a price war with other firms. The curve is therefore more price-elastic for price increases and less so for price decreases. Theory predicts that firms will enter the industry in the long run.

Polarization

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