The recent passage of a bill requiring companies to set numerical goals in hiring and promoting women should improve the working environment for them, a Harvard Business School professor has said.

But Linda Hill cautions that Japan still has far to go in creating the kind of diversified workplace needed for innovation.

"Transparency will put companies under pressure ... and it will allow women to make choices," said Linda Hill, a guest panelist at the World Assembly for Women in Tokyo last month, speaking to The Japan Times.