* G20 meeting fails to give much incentive to currencies
* Focus on Fed, BOJ monetary policy meetings this week
* Dollar boosted by demand from Japanese importers
By Kaori Kaneko
TOKYO, March 16 (Reuters) - The dollar rose broadly on Monday, with the market looking ahead to a Federal Reserve policy meeting this week after a Group of 20 finance ministers' meeting at the weekend gave the market few trading incentives.
The Fed and the Bank of Japan hold policy decisions this week, with traders waiting to see if the U.S. central bank signals after its meeting on Tuesday and Wednesday that it will buy longer-dated Treasuries to help keep interest rates down.
Central banks are seeking unconventional ways to boost their economies now that many have interest rates at historic lows. Britain's central bank has already said it would buy gilts, and the Swiss National Bank intervened last week to weaken the Swiss franc to stave off deflation.
Dealers said the dollar's gains on Monday were driven largely by technical trading after it bounced from the day's lows.
"The G20 meeting has had little impact on the forex market," said Hideki Hayashi, chief economist at Shinko Securities.
"But it should help the dollar against the yen in the longer-term as the G20 members' pledge to take fiscal steps is expected to support shares and boost investor risk appetite."
The G20 finance ministers promised money to help emerging market economies and said they would use their full fiscal and monetary power to combat the global downturn.
The euro fell 0.3 percent from U.S. trade on Friday to $1.2892.
The dollar was 0.2 percent higher at 98.20 yen after rising as high as 98.50 yen on demand from Japanese importers. But exporters' selling capped further dollar gains, traders said.
It touched a four-month peak of 99.69 yen earlier this month but has failed to climb above 100 yen.
The euro dipped 0.1 percent to 126.60 yen after touching a two-month high of 127.65 yen on trading platform EBS last Friday.
Fed Chairman Ben Bernanke suggested in an interview that the U.S. recession could last most of the year.
"If the Fed gives a sign for buying long-term Treasuries following moves by the BoE and the SNB, the dollar is expected to come under selling pressure," said Yousuke Hosokawa, Treasury department senior manager at Chuo Mitsui Trust and Banking.
The Bank of Japan holds a meeting this week and may increase its monthly buying of long-dated government bonds to keep interest rates low and help boost the economy, Japan's Nikkei business newspaper reported.
The BOJ is also considering buying subordinated debt issued by banks to help bolster their capital, the paper reported on Monday.
The SNB shocked markets by intervening to sell the franc last week, becoming the first major central bank in the current crisis to try to push its currency down.
The euro was up 0.3 percent at 1.5341 francs after rising to its highest in nearly three months on Friday at 1.5402 francs.
Currency market players are keen to see whether stocks retain their rising momentum after U.S. shares logged their best week since November last week.
Tokyo's Nikkei stock average rallied 1.9 percent as banks surged amid easing fears over the health of U.S. lenders.
"There are expectations that the U.S. will announce details on measures to buy bad assets. If stocks extend their gains on hopes for U.S. steps, investors are likely to increase their risk tolerance, putting downward pressure on the dollar," said Yuji Saito, head of FX sales at Societe Generale.
The U.S. Treasury will offer more details in the coming week about how proposed public-private partnerships to take bad assets off banks' books will work, a senior department official said on Saturday. (Additional reporting by Rika Otsuka; Editing by Hugh Lawson)