A minimum wage is the lowest
remuneration
Remuneration is the pay or other financial compensation provided in exchange for an employee's ''services performed'' (not to be confused with giving (away), or donating, or the act of providing to). A number of complementary benefits in addition ...
that employers can legally pay their employees—the
price floor
A price floor is a government- or group-imposed price control or limit on how low a price can be charged for a product, good, commodity, or service. A price floor must be higher than the equilibrium price in order to be effective. The equilibrium p ...
below which employees may not sell their labor.
Most countries had introduced minimum wage legislation by the end of the 20th century.
Because minimum wages increase the
cost of labor, companies often try to avoid minimum wage laws by using
gig worker
Gig workers are independent contractors, online platform workers, contract firm workers, on-call workers, and temporary workers. Gig workers enter into formal agreements with on-demand companies to provide services to the company's clients.
In ...
s, by moving labor to locations with lower or nonexistent minimum wages, or by
automating job functions.
The movement for minimum wages was first motivated as a way to stop the exploitation of workers in
sweatshop
A sweatshop or sweat factory is a crowded workplace with very poor, socially unacceptable or illegal working conditions. Some illegal working conditions include poor ventilation, little to no breaks, inadequate work space, insufficient lighting, o ...
s, by employers who were thought to have unfair bargaining power over them. Over time, minimum wages came to be seen as a way to help lower-income families. Modern national laws enforcing compulsory union membership which prescribed minimum wages for their members were first passed in New Zealand in 1894. Although
minimum wage law Minimum wage law is the body of law which prohibits employers from hiring employees or workers for less than a given hourly, daily or monthly minimum wage. More than 90% of all countries have some kind of minimum wage legislation.
History
Until r ...
s are now in effect in many jurisdictions, differences of opinion exist about the benefits and drawbacks of a minimum wage.
Supply and demand models suggest that there may be employment losses from minimum wages; however, minimum wages can increase the efficiency of the labor market in
monopsony
In economics, a monopsony is a market structure in which a single buyer substantially controls the market as the major purchaser of goods and services offered by many would-be sellers. The microeconomic theory of monopsony assumes a single entity ...
scenarios, where individual employers have a degree of wage-setting power over the market as a whole.
Supporters of the minimum wage say it increases the
standard of living of workers,
reduces poverty, reduces inequality, and boosts morale. In contrast, opponents of the minimum wage say it increases poverty and
unemployment
Unemployment, according to the OECD (Organisation for Economic Co-operation and Development), is people above a specified age (usually 15) not being in paid employment or self-employment but currently available for work during the refere ...
because some low-wage workers "will be unable to find work ...
ndwill be pushed into the ranks of the unemployed".
History
Modern minimum wage laws trace their origin to the
Ordinance of Labourers
The Ordinance of Labourers 1349 (23 Edw. 3) is often considered to be the start of English labour law.''Employment Law: Cases and Materials''. Rothstein, Liebman. Sixth Edition, Foundation Press. p. 20. Specifically, it fixed wages and impose ...
(1349), which was a decree by
King Edward III
Edward III (13 November 1312 – 21 June 1377), also known as Edward of Windsor before his accession, was King of England and Lord of Ireland from January 1327 until his death in 1377. He is noted for his military success and for restoring ...
that set a''
maximum wage
A maximum wage, also often called a wage ceiling, is a legal limit on how much income an individual can earn. It is a prescribed limitation which can be used to effect change in an economic structure, but its effects are unrelated to those of minim ...
'' for laborers in
medieval England
England in the Middle Ages concerns the history of England during the medieval period, from the end of the 5th century through to the start of the Early Modern period in 1485. When England emerged from the collapse of the Roman Empire, the econ ...
.
King Edward III, who was a wealthy landowner, was dependent, like his lords, on
serfs to work the land. In the autumn of 1348, the
Black Plague reached England and decimated the population.
The severe shortage of labor caused wages to soar and encouraged King Edward III to set a wage ceiling. Subsequent amendments to the ordinance, such as the
Statute of Labourers
The Statute of Labourers was a law created by the English parliament under King Edward III in 1351 in response to a labour shortage, which aimed at regulating the labour force by prohibiting requesting or offering a wage higher than pre-Plague st ...
(1351), increased the penalties for paying a wage above the set rates.
While the laws governing wages initially set a ceiling on compensation, they were eventually used to set a
living wage
A living wage is defined as the minimum income necessary for a worker to meet their basic needs. This is not the same as a subsistence wage, which refers to a biological minimum, or a solidarity wage, which refers to a minimum wage tracking lab ...
. An amendment to the Statute of Labourers in 1389 effectively fixed wages to the price of food. As time passed, the
Justice of the Peace
A justice of the peace (JP) is a judicial officer of a lower or ''puisne'' court, elected or appointed by means of a commission ( letters patent) to keep the peace. In past centuries the term commissioner of the peace was often used with the sa ...
, who was charged with setting the maximum wage, also began to set formal minimum wages. The practice was eventually formalized with the passage of the Act Fixing a Minimum Wage in 1604 by
King James I
James VI and I (James Charles Stuart; 19 June 1566 – 27 March 1625) was King of Scotland as James VI from 24 July 1567 and King of England and Ireland as James I from the union of the Scottish and English crowns on 24 March 1603 until hi ...
for workers in the textile industry.
[
By the early 19th century, the Statutes of Labourers was repealed as the increasingly capitalistic United Kingdom embraced '']laissez-faire
''Laissez-faire'' ( ; from french: laissez faire , ) is an economic system in which transactions between private groups of people are free from any form of economic interventionism (such as subsidies) deriving from special interest groups. ...
'' policies which disfavored regulations of wages (whether upper or lower limits). The subsequent 19th century saw significant labor unrest A labour revolt or worker's uprising is a period of civil unrest characterised by strong labour militancy and strike activity. The history of labour revolts often provides the historical basis for many advocates of Marxism, communism, socialism and ...
affect many industrial nations. As trade unions
A trade union (labor union in American English), often simply referred to as a union, is an organization of workers intent on "maintaining or improving the conditions of their employment", ch. I such as attaining better wages and benefits ( ...
were decriminalized during the century, attempts to control wages through collective agreement
A collective agreement, collective labour agreement (CLA) or collective bargaining agreement (CBA) is a written contract negotiated through collective bargaining for employees by one or more trade unions with the management of a company (or with an ...
were made.
It was not until the 1890s that the first modern legislative attempts to regulate minimum wages were seen in New Zealand and Australia. The movement for a minimum wage was initially focused on stopping sweatshop
A sweatshop or sweat factory is a crowded workplace with very poor, socially unacceptable or illegal working conditions. Some illegal working conditions include poor ventilation, little to no breaks, inadequate work space, insufficient lighting, o ...
labor and controlling the proliferation of sweatshops in manufacturing industries. The sweatshops employed large numbers of women and young workers, paying them what were considered to be substandard wages. The sweatshop owners were thought to have unfair bargaining power over their employees, and a minimum wage was proposed as a means to make them pay fairly. Over time, the focus changed to helping people, especially families, become more self-sufficient.
In the United States, the late 19th-century ideas for favoring a minimum wage also coincided with the eugenics movement. As a consequence, some economists at the time, including Royal Meeker
Royal Meeker (February 23, 1873 – August 16, 1953) was a progressive American economist, born at Quaker Lake, Susquehanna County, Pennsylvania. He graduated from Iowa State College in 1898, then studied with E.R.A. Seligman at Columbia (Ph.D ...
and Henry Rogers Seager
Henry Rogers Seager (July 21, 1870 – August 23, 1930, Kiev, Russia) was an American economist, and Professor of Political Economy at Columbia University, who served as president of the American Association for Labor Legislation.
Inspired by t ...
, argued for the adoption of a minimum wage not only to support the worker, but to support their desired semi- and skilled laborers while forcing the undesired workers (including the idle, immigrants, women, racial minorities, and the disabled) out of the labor market. The result, over the longer term, would be to limit the nondesired workers' ability to earn money and have families, and thereby, remove them from the economists' ideal society.
Minimum wage laws
The first modern national minimum wages were enacted by the government recognition of unions which in turn established minimum wage policy among their members, as in New Zealand in 1894, followed by Australia in 1896 and the United Kingdom in 1909. In the United States, statutory minimum wages were first introduced nationally in 1938, and they were reintroduced and expanded in the United Kingdom in 1998. There is now legislation or binding collective bargaining
Collective bargaining is a process of negotiation between employers and a group of employees aimed at agreements to regulate working salaries, working conditions, benefits, and other aspects of workers' compensation and rights for workers. The ...
regarding minimum wage in more than 90 percent of all countries. In the European Union, 21 out of 27 member states currently have national minimum wages. Other countries, such as Sweden, Finland, Denmark, Switzerland, Austria, and Italy, have no minimum wage laws, but rely on employer groups and trade unions to set minimum earnings through collective bargaining.
Minimum wage rates vary greatly across many different jurisdictions, not only in setting a particular amount of money—for example $7.25 per hour ($14,500 per year) under certain US state laws (or $2.13 for employees who receive tips, which is known as the tipped minimum wage), $11.00 in the US state of Washington
Washington commonly refers to:
* Washington (state), United States
* Washington, D.C., the capital of the United States
** A metonym for the federal government of the United States
** Washington metropolitan area, the metropolitan area centered o ...
, or £8.91 (for those aged 25+) in the United Kingdom—but also in terms of which pay period (for example Russia and China set monthly minimum wages) or the scope of coverage. Currently the United States federal minimum wage is $7.25 per hour. However, some states do not recognize the minimum wage law, such as Louisiana and Tennessee. Other states have minimum wages below the federal minimum wage such as Georgia and Wyoming, although the federal minimum wage is enforced in those states. Some jurisdictions allow employers to count tips given to their workers as credit towards the minimum wage levels. India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
was one of the first developing countries to introduce minimum wage policy in its law in 1948. However, it is rarely implemented, even by contractors of government agencies. In Mumbai
Mumbai (, ; also known as Bombay — the official name until 1995) is the capital city of the Indian state of Maharashtra and the ''de facto'' financial centre of India. According to the United Nations, as of 2018, Mumbai is the second- ...
, as of 2017, the minimum wage was Rs. 348/day.
India also has one of the most complicated systems with more than 1,200 minimum wage rates depending on the geographical region.
Informal minimum wages
Customs, tight labor markets, and extra-legal pressures from governments or labor unions can each produce a ''de facto'' minimum wage. So can international public opinion, by pressuring multinational companies
A multinational company (MNC), also referred to as a multinational enterprise (MNE), a transnational enterprise (TNE), a transnational corporation (TNC), an international corporation or a stateless corporation with subtle but contrasting senses, i ...
to pay Third World
The term "Third World" arose during the Cold War to define countries that remained non-aligned with either NATO or the Warsaw Pact. The United States, Canada, Japan, South Korea, Western European nations and their allies represented the " First ...
workers wages usually found in more industrialized countries. The latter situation in Southeast Asia and Latin America was publicized in the 2000s, but it existed with companies in West Africa in the middle of the 20th century.
Setting minimum wage
Among the indicators that might be used to establish an initial minimum wage rate are ones that minimize the loss of jobs while preserving international competitiveness. Among these are general economic conditions as measured by real and nominal gross domestic product; inflation; labor supply and demand; wage levels, distribution and differentials; employment terms; productivity growth; labor costs; business operating costs; the number and trend of bankruptcies; economic freedom
Economic freedom, or economic liberty, is the ability of people of a society to take economic actions. This is a term used in economic and policy debates as well as in the philosophy of economics. One approach to economic freedom comes from the l ...
rankings; standards of living and the prevailing average wage rate.
In the business sector, concerns include the expected increased cost of doing business, threats to profitability, rising levels of unemployment (and subsequent higher government expenditure on welfare benefits raising tax rates), and the possible knock-on effects to the wages of more experienced workers who might already be earning the new statutory minimum wage, or slightly more. Among workers and their representatives, political considerations weigh in as labor leaders seek to win support by demanding the highest possible rate. Other concerns include purchasing power
Purchasing power is the amount of goods and services that can be purchased with a unit of currency. For example, if one had taken one unit of currency to a store in the 1950s, it would have been possible to buy a greater number of items than would ...
, inflation indexing and standardized working hours.
Economic models
Supply and demand model
According to the supply and demand model of the labor market shown in many economics textbooks, increasing the minimum wage decreases the employment of minimum-wage workers. One such textbook states:
A firm's cost is an increasing function of the wage rate. The higher the wage rate, the fewer hours an employer will demand of employees. This is because, as the wage rate rises, it becomes more expensive for firms to hire workers and so firms hire fewer workers (or hire them for fewer hours). The demand of labor curve is therefore shown as a line moving down and to the right.[Ehrenberg, R. and Smith, R. "Modern labor economics: theory and public policy", HarperCollins, 1994, 5th ed.] Since higher wages increase the quantity supplied, the supply of labor curve is upward sloping, and is shown as a line moving up and to the right. If no minimum wage is in place, wages will adjust until quantity of labor demanded is equal to quantity supplied, reaching equilibrium, where the supply and demand curves intersect. Minimum wage behaves as a classical price floor
A price floor is a government- or group-imposed price control or limit on how low a price can be charged for a product, good, commodity, or service. A price floor must be higher than the equilibrium price in order to be effective. The equilibrium p ...
on labor. Standard theory says that, if set above the equilibrium price, more labor will be willing to be provided by workers than will be demanded by employers, creating a surplus of labor, i.e. unemployment. The economic model of markets predicts the same of other commodities (like milk and wheat, for example): Artificially raising the price of the commodity tends to cause an increase in quantity supplied and a decrease in quantity demanded. The result is a surplus of the commodity. When there is a wheat surplus, the government buys it. Since the government does not hire surplus labor, the labor surplus takes the form of unemployment, which tends to be higher with minimum wage laws than without them.
The supply and demand model implies that by mandating a price floor above the equilibrium wage, minimum wage laws will cause unemployment. This is because a greater number of people are willing to work at the higher wage while a smaller number of jobs will be available at the higher wage. Companies can be more selective in those whom they employ thus the least skilled and least experienced will typically be excluded. An imposition or increase of a minimum wage will generally only affect employment in the low-skill labor market, as the equilibrium wage is already at or below the minimum wage, whereas in higher skill labor markets the equilibrium wage is too high for a change in minimum wage to affect employment.
Monopsony
The supply and demand model predicts that raising the minimum wage helps workers whose wages are raised, and hurts people who are not hired (or lose their jobs) when companies cut back on employment. But proponents of the minimum wage hold that the situation is much more complicated than the model can account for. One complicating factor is possible monopsony
In economics, a monopsony is a market structure in which a single buyer substantially controls the market as the major purchaser of goods and services offered by many would-be sellers. The microeconomic theory of monopsony assumes a single entity ...
in the labor market, whereby the individual employer has some market power in determining wages paid. Thus it is at least theoretically possible that the minimum wage may boost employment. Though single employer market power is unlikely to exist in most labor markets in the sense of the traditional ' company town,' asymmetric information, imperfect mobility, and the personal element of the labor transaction give some degree of wage-setting power to most firms.
Modern economic theory predicts that although an excessive minimum wage may raise unemployment as it fixes a price above most demand for labor, a minimum wage at a more reasonable level can increase employment, and enhance growth and efficiency. This is because labor markets are monopsonistic and workers persistently lack bargaining power. When poorer workers have more to spend it stimulates effective aggregate demand for goods and services.
Criticisms of the supply and demand model
The argument that a minimum wage decreases employment is based on a simple supply and demand model of the labor market. A number of economists, such as Pierangelo Garegnani
Pierangelo Garegnani (9 August 1930–14 October 2011) was an Italian economist and professor of the University of Rome III. He was the Director of the Fondazione Centro Piero Sraffa di Studi e Documenti at the Federico Caffè School of Economic ...
, Robert L. Vienneau, and Arrigo Opocher and Ian Steedman
Ian Steedman (born 1941, in London) was for many years a professor of economics at the University of Manchester before moving down the road to Manchester Metropolitan University. He retired from there at the end of 2006, but was appointed as an eme ...
, building on the work of Piero Sraffa, argue that that model, even given all its assumptions, is logically incoherent. Michael Anyadike-Danes and Wynne Godley
Wynne Godley (26 September 192613 May 2010) was an economist famous for his pessimism about the British economy and his criticism of the British government. In 2007, he and Marc Lavoie wrote a book about the " Stock-Flow Consistent" model, an a ...
argue, based on simulation results, that little of the empirical work done with the textbook model constitutes a potentially falsifiable theory, and consequently empirical evidence hardly exists for that model. Graham White argues, partially on the basis of Sraffianism, that the policy of increased labor market flexibility, including the reduction of minimum wages, does not have an "intellectually coherent" argument in economic theory.
Gary Fields, Professor of Labor Economics and Economics at Cornell University
Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an ...
, argues that the standard textbook model for the minimum wage is ambiguous, and that the standard theoretical arguments incorrectly measure only a one-sector market. Fields says a two-sector market, where "the self-employed, service workers, and farm workers are typically excluded from minimum-wage coverage ... nd withone sector with minimum-wage coverage and the other without it nd possible mobility between the two" is the basis for better analysis. Through this model, Fields shows the typical theoretical argument to be ambiguous and says "the predictions derived from the textbook model definitely do not carry over to the two-sector case. Therefore, since a non-covered sector exists nearly everywhere, the predictions of the textbook model simply cannot be relied on."
An alternate view of the labor market has low-wage labor markets characterized as monopsonistic competition wherein buyers (employers) have significantly more market power
In economics, market power refers to the ability of a firm to influence the price at which it sells a product or service by manipulating either the supply or demand of the product or service to increase economic profit. In other words, market powe ...
than do sellers (workers). This monopsony could be a result of intentional collusion
Collusion is a deceitful agreement or secret cooperation between two or more parties to limit open competition by deceiving, misleading or defrauding others of their legal right. Collusion is not always considered illegal. It can be used to att ...
between employers, or naturalistic factors such as segmented markets, search cost Search costs are a facet of transaction costs or switching costs and include all the costs associated with the searching activity conducted by a prospective seller and buyer in a market. Rational consumers will continue to search for a better produ ...
s, information costs, imperfect mobility and the personal element of labor markets. In such a case a simple supply and demand graph would not yield the quantity of labor clearing and the wage rate. This is because while the upward sloping aggregate labor supply would remain unchanged, instead of using the upward labor supply curve shown in a supply and demand diagram, monopsonistic employers would use a steeper upward sloping curve corresponding to marginal expenditures to yield the intersection with the supply curve resulting in a wage rate lower than would be the case under competition. Also, the amount of labor sold would also be lower than the competitive optimal allocation.
Such a case is a type of market failure
In neoclassical economics, market failure is a situation in which the allocation of goods and services by a free market is not Pareto efficient, often leading to a net loss of economic value. Market failures can be viewed as scenarios where indiv ...
and results in workers being paid less than their marginal value. Under the monopsonistic assumption, an appropriately set minimum wage could increase both wages and employment, with the optimal level being equal to the marginal product of labor
In economics, the marginal product of labor (MPL) is the change in output that results from employing an added unit of labor. It is a feature of the production function, and depends on the amounts of physical capital and labor already in use.
Defi ...
. This view emphasizes the role of minimum wages as a market regulation policy akin to antitrust
Competition law is the field of law that promotes or seeks to maintain market competition by regulating anti-competitive conduct by companies. Competition law is implemented through public and private enforcement. It is also known as antitrust l ...
policies, as opposed to an illusory "free lunch
A free lunch is the providing of a meal at no cost, usually as a sales enticement to attract customers and increase revenues from other business. It was once a common tradition in saloons and taverns in many places in the United States, with th ...
" for low-wage workers.
Another reason minimum wage may not affect employment in certain industries is that the demand for the product the employees produce is highly inelastic
In economics, elasticity measures the percentage change of one economic variable in response to a percentage change in another. If the price elasticity of the demand of something is -2, a 10% increase in price causes the demand quantity to fall ...
. For example, if management is forced to increase wages, management can pass on the increase in wage to consumers in the form of higher prices. Since demand for the product is highly inelastic, consumers continue to buy the product at the higher price and so the manager is not forced to lay off workers. Economist Paul Krugman
Paul Robin Krugman ( ; born February 28, 1953) is an American economist, who is Distinguished Professor of Economics at the Graduate Center of the City University of New York, and a columnist for ''The New York Times''. In 2008, Krugman was th ...
argues this explanation neglects to explain why the firm was not charging this higher price absent the minimum wage.
Three other possible reasons minimum wages do not affect employment were suggested by Alan Blinder
Alan Stuart Blinder (, born October 14, 1945) is an American economics professor at Princeton University and is listed among the most influential economists in the world according to IDEAS/RePEc. He is a leading macroeconomist, politically liber ...
: higher wages may reduce turnover, and hence training costs; raising the minimum wage may "render moot" the potential problem of recruiting workers at a higher wage than current workers; and minimum wage workers might represent such a small proportion of a business's cost that the increase is too small to matter. He admits that he does not know if these are correct, but argues that "the list demonstrates that one can accept the new empirical findings and still be a card-carrying economist."
Mathematical models of the minimum wage and frictional labor markets
The following mathematical models are more quantitative in orientation, and highlight some of the difficulties in determining the impact of the minimum wage on labor market outcomes. Specifically, these models focus on labor markets with frictions.
Welfare and labor market participation
Assume that the decision to participate in the labor market results from a trade-off between being an unemployed job seeker and not participating at all. All individuals whose expected utility outside the labor market is less than the expected utility of an unemployed person decide to participate in the labor market. In the basic search and matching model, the expected utility of unemployed persons and that of employed persons are defined by:
Let be the wage, the interest rate, the instantaneous income of unemployed persons, the exogenous job destruction rate, the labor market tightness, and the job finding rate. The profits and expected from a filled job and a vacant one are:where is the cost of a vacant job and is the productivity. When the ''free entry condition'' is satisfied, these two equalities yield the following relationship between the wage and labor market tightness :
If represents a minimum wage that applies to all workers, this equation completely determines the equilibrium value of the labor market tightness . There are two conditions associated with the matching function:This implies that is a decreasing function of the minimum wage , and so is the job finding rate . A hike in the minimum wage degrades the profitability of a job, so firms post fewer vacancies and the job finding rate falls off. Now let's rewrite to be:Using the relationship between the wage and labor market tightness to eliminate the wage from the last equation gives us:
If we maximize in this equation, with respect to the labor market tightness, we find that:where is the elasticity of the matching function:This result shows that the expected utility of unemployed workers is maximized when the minimum wage is set at a level that corresponds to the wage level of the decentralized economy in which the bargaining power parameter is equal to the elasticity . The level of the negotiated wage is .
If , then an increase in the minimum wage increases participation ''and'' the unemployment rate, with an ambiguous impact on employment. When the bargaining power of workers is less than , an increases in the minimum wage improves the welfare of the unemployed – this suggests that minimum wage hikes can improve labor market efficiency, at least up to the point when bargaining power equals . On the other hand, if , any increases in the minimum wage entails a decline in labor market participation and an increase in unemployment.
Job search effort
In the model just presented, we found that the minimum wage always increases unemployment. This result does not necessarily hold when the search effort of workers is endogenous.
Consider a model where the intensity of the job search is designated by the scalar , which can be interpreted as the amount of time and/or intensity of the effort devoted to search. Assume that the arrival rate of job offers is and that the wage distribution is degenerated to a single wage . Denote to be the cost arising from the search effort, with . Then the discounted utilities are given by:Therefore, the optimal search effort is such that the marginal cost of performing the search is equation to the marginal return:This implies that the optimal search effort increases as the difference between the expected utility of the job holder and the expected utility of the job seeker grows. In fact, this difference actually grows with the wage. To see this, take the difference of the two discounted utilities to find: