Definition

1. Proper noun:
   • A person's name: Tjalling Charles Koopmans was a specific individual, an economist.

Usage

• This term is used exclusively as a proper noun to refer to the person. It is typically used in biographical, historical, or academic contexts related to economics.
• As a proper noun, it is always capitalized.

Examples

• Proper noun:
  • The Nobel Memorial Prize in Economic Sciences was awarded jointly to Tjalling Charles Koopmans and Leonid Kantorovich in 1975.
  • Tjalling Charles Koopmans made significant contributions to the theory of optimal resource allocation.

Advanced Usage

• The name may appear in citations for his scholarly work or in historical accounts of 20th-century economics.
  • The Koopmans theorem is a fundamental concept in computational chemistry, named after Tjalling Charles Koopmans.

Variants and Related Words

• Koopmans (surname): Often used alone as a shortened reference, especially in academic literature (e.g., "the Koopmans model").
• TC Koopmans: A common initialism.

Synonyms

• There are no true synonyms for a proper name. In context, one might refer to him descriptively as:
  • the Dutch-American economist
  • the 1975 Nobel laureate in economics

Related Phrases

• Koopmans' theorem: A principle in quantum chemistry and economics named after him.
• Activity analysis: A field of study to which he contributed significantly.

Noun

1. United States economist (born in the Netherlands) (1910-1985)