Wage labour
Wage labour is the socioeconomic
Socioeconomics or socio-economics or social economics is an umbrella term with different usages. 'Social economics' may refer broadly to the "use of economics in the study of society." More narrowly, contemporary practice considers behavioral interactions of individuals and groups through social...

 relationship between a worker
The workforce is the labour pool in employment. It is generally used to describe those working for a single company or industry, but can also apply to a geographic region like a city, country, state, etc. The term generally excludes the employers or management, and implies those involved in...

 and an employer
Employment is a contract between two parties, one being the employer and the other being the employee. An employee may be defined as:- Employee :...

, where the worker sells their labour
Labour economics
Labor economics seeks to understand the functioning and dynamics of the market for labor. Labor markets function through the interaction of workers and employers...

 under a formal or informal employment contract
A contract is an agreement entered into by two parties or more with the intention of creating a legal obligation, which may have elements in writing. Contracts can be made orally. The remedy for breach of contract can be "damages" or compensation of money. In equity, the remedy can be specific...

. These transactions usually occur in a labour market where wage
A wage is a compensation, usually financial, received by workers in exchange for their labor.Compensation in terms of wages is given to workers and compensation in terms of salary is given to employees...

s are market determined. In exchange for the wages paid, the work product generally becomes the undifferentiated property
Work for hire
A work made for hire is an exception to the general rule that the person who actually creates a work is the legally recognized author of that work...

 of the employer, except for special cases such as the vesting of intellectual property
Intellectual property
Intellectual property is a term referring to a number of distinct types of creations of the mind for which a set of exclusive rights are recognized—and the corresponding fields of law...

 patents in the United States where patent rights are usually
A freelancer, freelance worker, or freelance is somebody who is self-employed and is not committed to a particular employer long term. These workers are often represented by a company or an agency that resells their labor and that of others to its clients with or without project management and...

 vested in the original personal inventor.