"wage premium" meaning in English

{
  "forms": [
    {
      "form": "wage premiums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wage premium (plural wage premiums)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
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        },
        {
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          "langcode": "en",
          "name": "Economics",
          "orig": "en:Economics",
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            "Social sciences",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
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          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "college wage premium"
        },
        {
          "word": "union wage premium"
        }
      ],
      "glosses": [
        "The average amount that the wages of members of a certain group are greater than those of the population as a whole"
      ],
      "id": "en-wage_premium-en-noun-tKdfcPDB",
      "links": [
        [
          "economics",
          "economics"
        ],
        [
          "wage",
          "wage"
        ]
      ],
      "raw_glosses": [
        "(economics) The average amount that the wages of members of a certain group are greater than those of the population as a whole"
      ],
      "topics": [
        "economics",
        "sciences"
      ]
    }
  ],
  "word": "wage premium"
}

{
  "derived": [
    {
      "word": "college wage premium"
    },
    {
      "word": "union wage premium"
    }
  ],
  "forms": [
    {
      "form": "wage premiums",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "wage premium (plural wage premiums)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "en:Economics"
      ],
      "glosses": [
        "The average amount that the wages of members of a certain group are greater than those of the population as a whole"
      ],
      "links": [
        [
          "economics",
          "economics"
        ],
        [
          "wage",
          "wage"
        ]
      ],
      "raw_glosses": [
        "(economics) The average amount that the wages of members of a certain group are greater than those of the population as a whole"
      ],
      "topics": [
        "economics",
        "sciences"
      ]
    }
  ],
  "word": "wage premium"
}