"substitute good" meaning in English

{
  "forms": [
    {
      "form": "substitute goods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "substitute good (plural substitute goods)",
      "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": "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"
        }
      ],
      "glosses": [
        "a good that a consumer perceives as similar to another good, which decreases the demand for that other good"
      ],
      "id": "en-substitute_good-en-noun--PH8P9Fa",
      "links": [
        [
          "economics",
          "economics"
        ]
      ],
      "raw_glosses": [
        "(economics) a good that a consumer perceives as similar to another good, which decreases the demand for that other good"
      ],
      "topics": [
        "economics",
        "sciences"
      ],
      "wikipedia": [
        "substitute good"
      ]
    }
  ],
  "word": "substitute good"
}

{
  "forms": [
    {
      "form": "substitute goods",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "substitute good (plural substitute goods)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Economics"
      ],
      "glosses": [
        "a good that a consumer perceives as similar to another good, which decreases the demand for that other good"
      ],
      "links": [
        [
          "economics",
          "economics"
        ]
      ],
      "raw_glosses": [
        "(economics) a good that a consumer perceives as similar to another good, which decreases the demand for that other good"
      ],
      "topics": [
        "economics",
        "sciences"
      ],
      "wikipedia": [
        "substitute good"
      ]
    }
  ],
  "word": "substitute good"
}