Marra G. and Radice R. (2013), A penalized likelihood estimation approach to semiparametric sample selection binary response modeling. Electronic Journal of Statistics, 7, 1432-1455.

Radice R., Marra G. and Wojtys M. (2015), Copula Regression Spline Models for Binary Outcomes. Statistics and Computing.

Corresponding BibTeX entries:

  @Article{,
    title = {A penalized likelihood estimation approach to
      semiparametric sample selection binary response modeling},
    journal = {Electronic Journal of Statistics},
    volume = {7},
    pages = {1432-1455},
    year = {2013},
    author = {Marra G. and Radice R.},
  }
  @Article{,
    title = {Copula Regression Spline Models for Binary Outcomes},
    journal = {Statistics and Computing},
    year = {2015},
    author = {Radice R. and Marra G. and Wojtys M.},
  }