"Say's law" meaning in English

{
  "etymology_text": "After Jean-Baptiste Say (1767-1832), a French economist and businessman.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Say's law",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Economics",
          "orig": "en:Economics",
          "parents": [
            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "In accordance with Say's law, if only Mexican wages are paid for products, then these products must eventually and inescapably be sold at Mexican prices, not American prices.",
          "type": "example"
        }
      ],
      "glosses": [
        "A principle whereby those who produce anything must be paid sufficiently to buy the products they make, whether it be in a local economy or the world economy."
      ],
      "id": "en-Say's_law-en-name-82H5WLhS",
      "links": [
        [
          "economics",
          "economics"
        ]
      ],
      "raw_glosses": [
        "(economics) A principle whereby those who produce anything must be paid sufficiently to buy the products they make, whether it be in a local economy or the world economy."
      ],
      "topics": [
        "economics",
        "sciences"
      ],
      "wikipedia": [
        "Jean-Baptiste Say",
        "Say's law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈseɪz ˈlɔː/"
    }
  ],
  "word": "Say's law"
}

{
  "etymology_text": "After Jean-Baptiste Say (1767-1832), a French economist and businessman.",
  "head_templates": [
    {
      "args": {},
      "expansion": "Say's law",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English eponyms",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with usage examples",
        "English uncountable nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Economics"
      ],
      "examples": [
        {
          "text": "In accordance with Say's law, if only Mexican wages are paid for products, then these products must eventually and inescapably be sold at Mexican prices, not American prices.",
          "type": "example"
        }
      ],
      "glosses": [
        "A principle whereby those who produce anything must be paid sufficiently to buy the products they make, whether it be in a local economy or the world economy."
      ],
      "links": [
        [
          "economics",
          "economics"
        ]
      ],
      "raw_glosses": [
        "(economics) A principle whereby those who produce anything must be paid sufficiently to buy the products they make, whether it be in a local economy or the world economy."
      ],
      "topics": [
        "economics",
        "sciences"
      ],
      "wikipedia": [
        "Jean-Baptiste Say",
        "Say's law"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈseɪz ˈlɔː/"
    }
  ],
  "word": "Say's law"
}