TY - JOUR AU - Sunoj, S. Madhavan AU - Bhargavan, Sreejith Thoppil AU - Navarro, Jorge PY - 2014/01/01 Y2 - 2024/03/28 TI - Characterizations of some bivariate models using reciprocal coordinate subtangents JF - Statistica JA - Stat VL - 74 IS - 2 SE - Articles DO - 10.6092/issn.1973-2201/4995 UR - https://rivista-statistica.unibo.it/article/view/4995 SP - 155-172 AB - In the present paper, we consider the bivariate version of reciprocal coordinate subtangent (RCST) and study its usefulness in characterizing some important bivariate models.  In particular, characterization results are proved for a general bivariate model whose conditional distributions are proportional hazard rate models (see Navarro and Sarabia, 2011), Sarmanov family and Ali-Mikhail-Haq family of bivariate distributions.  We also study the relationship between local dependence function and reciprocal subtangent and a characterization result is proved for a bivariate model proposed by Jones (1998).  Further, the concept of reciprocal coordinate subtangent is extended to conditionally specified models. ER -