In recent years, Takeo OGAWA, who is the researcher of Yoshimoto NIJO, the man who is strongly believed to be the author of the "Masukagami" advocated a new theory of the "Masukagami" being `edited by Yoshimoto and written by Tadamori,' given the fact that, although Yoshimoto NIJO contributed to the completion of the "Masukagami," Yoshimoto was a politician and eventually served Jimyoin-to (imperial lineage from Emperor Gofukakusa to Emperor Gokomatsu), which makes it difficult for him to write such literary work.
近年においては『増鏡』著者の有力説とされる二条良基の研究家である小川剛生の見解として、二条良基が『増鏡』成立に深く関わったとしつつも、現役の公家政治家でかつ最終的に持明院統に仕えた良基を直接の筆者とすることの困難を挙げて、「良基監修・忠守筆者」説を唱えている。