"Pareto improvement" meaning in English

{
  "etymology_text": "Named after Vilfredo Pareto.",
  "forms": [
    {
      "form": "Pareto improvements",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Pareto improvement"
      },
      "expansion": "Pareto improvement (plural Pareto improvements)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
            "Entries with language name categories using raw markup",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Economics",
          "orig": "en:Economics",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Game theory",
          "orig": "en:Game theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A change in the allocation of a resource to a set of individuals that is an improvement for at least one and no worse for any other."
      ],
      "id": "en-Pareto_improvement-en-noun-yZDJyO~o",
      "links": [
        [
          "game theory",
          "game theory"
        ],
        [
          "economics",
          "economics"
        ],
        [
          "allocation",
          "allocation"
        ],
        [
          "resource",
          "resource"
        ],
        [
          "individual",
          "individual"
        ],
        [
          "improvement",
          "improvement"
        ]
      ],
      "raw_glosses": [
        "(game theory, economics) A change in the allocation of a resource to a set of individuals that is an improvement for at least one and no worse for any other."
      ],
      "related": [
        {
          "word": "Kaldor-Hicks improvement"
        },
        {
          "word": "Pareto efficient"
        },
        {
          "word": "Pareto optimal"
        }
      ],
      "synonyms": [
        {
          "word": "Pareto-improvement"
        }
      ],
      "topics": [
        "computing",
        "economics",
        "engineering",
        "game-theory",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Pareto efficiency",
        "Vilfredo Pareto"
      ]
    }
  ],
  "word": "Pareto improvement"
}

{
  "etymology_text": "Named after Vilfredo Pareto.",
  "forms": [
    {
      "form": "Pareto improvements",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "head": "Pareto improvement"
      },
      "expansion": "Pareto improvement (plural Pareto improvements)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "Kaldor-Hicks improvement"
    },
    {
      "word": "Pareto efficient"
    },
    {
      "word": "Pareto optimal"
    }
  ],
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with language name categories using raw markup",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "Pages with 1 entry",
        "en:Economics",
        "en:Game theory"
      ],
      "glosses": [
        "A change in the allocation of a resource to a set of individuals that is an improvement for at least one and no worse for any other."
      ],
      "links": [
        [
          "game theory",
          "game theory"
        ],
        [
          "economics",
          "economics"
        ],
        [
          "allocation",
          "allocation"
        ],
        [
          "resource",
          "resource"
        ],
        [
          "individual",
          "individual"
        ],
        [
          "improvement",
          "improvement"
        ]
      ],
      "raw_glosses": [
        "(game theory, economics) A change in the allocation of a resource to a set of individuals that is an improvement for at least one and no worse for any other."
      ],
      "topics": [
        "computing",
        "economics",
        "engineering",
        "game-theory",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Pareto efficiency",
        "Vilfredo Pareto"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "Pareto-improvement"
    }
  ],
  "word": "Pareto improvement"
}