The tortoise, and not the hare, is more comfortable in the climate of Japan's life insurance sector.

That conclusion could be drawn from American International Group Inc.'s decision to acquire GE Edison Life Insurance Co. before the end of the year. GE Edison is the Japanese life insurance operation of U.S. conglomerate General Electric.

"We're not out in the market looking to buy companies just to get bigger," Donald Kanak, president and CEO of AIG's operations in Japan and Korea, said at a news conference Thursday in Tokyo.