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Results after unequal bargaining

In social sciences, inequality of bargaining power is where one party to a "bargain", or some kind of contract or agreement, has more and better alternatives than the other party. This results in one party having greater "power" than the other to choose not to take the deal and makes it more likely that this party will gain more favourable terms. Inequality of bargaining power is where freedom of contract ceases to be real and markets fail.

Where bargaining power is persistently unequal, the concept of inequality of bargaining power serves as a justification for the implication of mandatory terms into contracts by law, or the non-enforcement of a contract by the courts.

Historical development

The concept of inequality of bargaining power was long recognised, particularly with regard to workers. In the Wealth of Nations Adam Smith wrote,

"It is not, however, difficult to foresee which of the two parties must, upon all ordinary occasions, have the advantage in the dispute, and force the other into a compliance with their terms. The masters, being fewer in number, can combine much more easily; and the law, besides, authorizes, or at least does not prohibit their combinations, while it prohibits those of the workmen. We have no acts of parliament against combining to lower the price of work; but many against combining to raise it. In all such disputes the masters can hold out much longer. A landlord, a farmer, a master manufacturer, a merchant, though they did not employ a single workman, could generally live a year or two upon the stocks which they have already acquired. Many workmen could not subsist a week, few could subsist a month, and scarce any a year without employment. In the long run the workman may be as necessary to his master as his master is to him; but the necessity is not so immediate."[1]

The phrase "inequality of bargaining power" was, however, first used by Beatrice Webb and Sidney Webb in their treatise Industrial Democracy. This two volume critique of 19th century labour conditions and advocacy of a comprehensive system of labour law contained a chapter called, "The Higgling of the Market". They argued that the labour market was dominated by employers, and therefore "monopsonistic". Labour is a perishable service that needs to be sold each day or is lost, while most goods can be stored. Workers generally are more under pressure to sell their labour than an employer is under to buy it. An employer can hold out longer, because typically he will have greater financial reserves. This means that much labour is supplied merely out of necessity, than free choice (shifting the supply curve to the right) and it is a false kind of competitive environment. The Webbs also pointed out that discrimination can decrease job opportunities for women or minorities, and that the legal institutions underpinning the market were skewed in favour of employers. Most importantly, they believed that a large pool of unemployed people was a constant downward drag on the ability of workers to bargain for better conditions.

“When the unemployed are crowding round the factory gates every morning, it is plain to each man that, unless he can induce the foreman to select him rather than another, his chance of subsistence for weeks to come may be irretrievably lost. Under these circumstances bargaining, in the case of the individual isolated workmen, becomes absolutely impossible.”[2]

The Webbs felt that these factors all added up to systemic inequality of bargaining power between workers and employers.

  • John Beattie Crozier, The Wheel of Wealth; Being a Reconstruction of the Science and Art of Political Economy on the Lines (1906) Part III, ch 2, ‘On the tendency to inequality’, 377, ‘There must always be an inequality of bargaining power between masters and men in every contract, until that day shall arrive when the sacrifices of each master in a strike or lock out will affect his present comfort and future destiny as seriously, in its way, as it does that of each of his workmen.’
  • Max Weber, The Theory of Social and Economic Organization (1915, translated 1947) 152, ‘Power is the probability that one actor within a social relationship will be in a position to carry out his own will, despite resistance, regardless of the basis on which this probability rests.’
  • JR Commons, JR Andrews, American Bureau of Industrial Research, Principles of Labor Legislation (1916) 28, 30, 245
  • JR Commons, History of Labour in the United States (1918) 34
  • AC Pigou, The Economics of Welfare (1920)
  • MJ Trebilcock, ‘An Economic Approach to the Doctrine of Unconscionability’ in BJ Reiter and J Swan (eds) Studies in Contract (1980)

"The real measure of market power is not whether a supplier presents his terms on a take-it-or-leave basis but whether the consumer, if he decides to ‘leave it’ has available to him a workably competitive range of alternative sources of supply. Whether this is or is not so simply cannot be derived intuitively from the fact that a particular supplier is offering non-negotiable standard-form terms. It is a matter for independent inquiry. If the market is workably competitive, any supplier offering uncompetitive standard form terms will have to reformulate his total package of price and non-price terms to prevent consumers (at least consumers at the margin, which are the decisive consideration in such a market) from switching their business to other competitors....

Non-economists often overlook the importance of marginal analysis in this context. For example, if only 10 per cent of the buyers of insurance policies or dry-cleaning services studied all terms scrupulously before contracting an were influence in their choice of policy by their evaluation of the so-called fine print clauses, and if no supplier of insurance or dry-cleaning services was able to ‘term discriminate’ between these consumers and other consumers in the market, there would be strong competitive pressures on each supplier to adjust the terms of his contracts so as to avoid losing this potential business....

When one asks why, many consumers probably rely in part on the constraints imposed by other consumers at the margin (ie, they let the market shop for them)."

  • H Beale, ‘Inequality of bargaining power’ (1986) 6(1) OJLS 123, 127

"The point is obvious but worth making because it affects the conditions under which relief should be given: whereas advice as to value will normally save the contract with the ‘poor and ignorant person’, the master of the ship drifting onto the rocks would still have been open to exploitation even if he had had the entire House of Lords on board to advise him."

Legal use

  • Schroeder Music Publishing Co Ltd v Macaulay [1974] 1 WLR 1308, 1316, per Lord Diplock: “To be in a position to adopt this [‘take it or leave it’] attitude toward a party desirous of entering into a contract to obtain goods or services provides a classic instance of superior bargaining power.”

Consumer laws

See also: Contract law and Consumer law

"In so far as the reduction of costs of production and distribution thus achieved is reflected in reduced prices, society as a whole ultimately benefits from the use of standard contracts… The use of contracts has, however, another aspect which has become increasingly important. Standard contracts are typically used by enterprises with strong bargaining power. The weaker party, in need of the goods or services, is frequently not in a position to shop around for better terms, either because the author of the standard contract has a monopoly (natural or artificial) or because all competitors use the same clauses. His contractual intention is but a subjection more or less voluntary to terms dictated by the stronger party, terms whose consequences are often understood only in a vague way, if at all."

  • Lowe v Lombank [1960] 1 WLR 196, Diplock J talking about ignorant consumers getting hire purchase goods not being of equal bargaining power
  • Williams v. Walker-Thomas Furniture Co., 350 F.2d 445 (CA DC 1965) a loan agreement made so no furniture bought could be paid off unless the whole lot was.
  • Uniform Commercial Code §2-302
  • Lloyds Bank Ltd v Bundy [1975] QB 326
  • Law Commission, Second Report on Exemption Clauses in Contracts (No 69)
  • Unfair Contract Terms Act 1977

Labour laws

See also: Labour law
  • Holden v. Hardy 169 US 366 (1898) Utah law limiting work hours upheld, Brown J

"The legislature has also recognized the fact, which the experience of legislators in many states has corroborated, that the proprietors of these establishments and their operatives do not stand upon an equality, and that their interests are, to a certain extent, conflicting. The former naturally desire to obtain as much labor as possible from their employees, while the latter are often induced by the fear of discharge to conform to regulations which their judgment, fairly exercised, would pronounce to be detrimental to their health or strength. In other words, the proprietors lay down the rules, and the laborers are practically constrained to obey them. In such cases self-interest is often an unsafe guide, and the legislature may properly interpose its authority."

  • Adair v. United States, 209 U.S. 161, 175 (1908) "the employer and the employee have equality of right and any legislation that disturbs that equality is an arbitrary interference with the liberty of contract which no government can legally justify in our free land.”
  • Coppage v. Kansas, 236 U.S. 1 (1915)
  • United States. Commission on Industrial Relations; Francis Patrick Walsh, Basil Maxwell Manly, ‘Industrial relations: Final report and testimony’ (1916)
  • Topeka Laundry Co. v. Court of Int’l Relations, 237 P. 1041, 1044 (Kan. 1925) “Each statute undertook to remedy the mischief [of substandard wages for women and minors] by fixing a standard below which wages might not be depressed . . . because of inequality of bargaining power between employer and employee . . . .”
  • France v James Coombes & Co [1929] AC 496, 505-6, in a case restricting the definition of ‘employee’ for the purpose of s 8 Trade Boards Act 1909, 1918, for an order to give a minimum wage to boot workers, where the worker was not working all the time when he was in the shop Lord Atkin said, ‘the presumed necessity for fixing any minimum wage rate at all in any particular trade is due to the apprehension on the part of the Minister that in its absence workmen in that trade may have imposed upon them wages which they ought not to be asked to accept, but which, either as a result of competition in the labour market or deficient bargaining power, they are not in a position to refuse’
  • National Labor Relations Act of 1935 Section 1, at 29 U.S.C. §151

"The inequality of bargaining power between employees who do not possess full freedom of association or actual liberty of contract and employers who are organized in the corporate or other forms of ownership association substantially burdens and affects the flow of commerce, and tends to aggravate recurrent business depressions, by depressing wage rates and the purchasing power of wage earners in industry and by preventing the stabilization of competitive wage rates and working conditions within and between industries."

  • NLRB v. Mackay Radio & Telegraph Co. 304 U.S. 333 (1938) where the US Supreme Court held employers can replace striking workers, though workers remain employees during a strike and can get a reinstatement remedy.
  • Radcliffe v Riddle Motor Services Ltd [1939] AC 215, 241, Lord Wright in a judgment restricting common employment notes ‘how little bargaining power a workman possessed’
  • Rookes v Barnard [1964] AC 1129, 1219, Lord Hodson,

"It is easy now to see that Parliament in 1906 might have felt that the only way of giving labour an equality of bargaining power with capital was to give it special immunities which the common law did not permit. Even now, when the scales have been redressed, it is easy to see that Parliament might think that a strike, whether reprehensible or not, ought not to be made a ground for litigation and that industrial peace should be sought by other means."

Landlord and tenant

  • Rugby Joint Water Board v Footit [1973] AC 202, Lord Simon, landlord and tenant
  • [[Attorney General of Canada v Nav Canada (2008) FC 71, [19] Hugessen J of the Canadian Federal Court, approved the purpose of the Residential Tenancy Act in the Northwest Territories (replicated across Canadian provinces) as follows: ‘Bearing in mind the usual disparity of bargaining power and financial resources between such tenants and their landlords, the Act is evidently intended to restore the balance of power through the public employment of a rental officer to try and mediate and, if necessary, to adjudicate disputes between them.’ The Canadian Residential Tenancy Acts say residential tenancies can only be terminated with good reasons, and limit annual rental increases to a figure set by a Central Board. It should be appreciated how this differs from rent control laws, which place inflexible ceilings on any increases.

See also


  1. A Smith, Wealth of Nations (1776) Book I, ch 8
  2. S Webb and B Webb, Industrial Democracy (1897) 660


  • GC Cheshire and FHS Fifoot, Law of Contract (8th edn 1972) 281, 283-287
  • RW Clark, Inequality of bargaining power: judicial intervention in improvident and unconscionable bargains (Taylor & Francis 1987)
  • M Olson, Logic of Collective Action (1965)
  • S Webb and B Webb, Industrial Democracy (Longmans, Green, London 1897)

External links

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