[
  {
    "title": "ivreg2r: Extended Instrumental Variables Estimation with Diagnostics",
    "author": [
      {
        "given": "Francis",
        "family": "DiTraglia",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "year": "2026",
    "note": "R package",
    "url": "https://github.com/restatr/ivreg2r"
  },
  {
    "title": "Instrumental Variables and {GMM}: Estimation and Testing",
    "author": [
      {
        "given": "Christopher F.",
        "family": "Baum",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": "Mark E.",
        "family": "Schaffer",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": "Steven",
        "family": "Stillman",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "journal": "The Stata Journal",
    "year": "2003",
    "volume": "3",
    "number": "1",
    "pages": "1--31",
    "doi": "10.1177/1536867X0300300101"
  },
  {
    "title": "Enhanced Routines for Instrumental Variables/Generalized Method of Moments Estimation and Testing",
    "author": [
      {
        "given": "Christopher F.",
        "family": "Baum",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": "Mark E.",
        "family": "Schaffer",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": "Steven",
        "family": "Stillman",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "journal": "The Stata Journal",
    "year": "2007",
    "volume": "7",
    "number": "4",
    "pages": "465--506",
    "doi": "10.1177/1536867X0800700402"
  }
]