TOKYO (AP) - Japan's central bank says it is expanding its asset purchases to inject more money into the economy and shore up sagging growth.

TOKYO (AP) Japan's central bank says it is expanding its asset purchases to inject more money into the economy and shore up sagging growth.

The Bank of Japan said Friday it would increase its asset purchases by between 10 trillion yen and 20 trillion yen ($90.7 billion to $181.3 billion) to about 80 trillion yen ($725 billion), citing an easing in inflation.