daiwa's economist hitoshi suzuki says japan's social security system places too much importance on benefitselderly people. he says that's weighing on the nation's economy. >> translator: i believe japan needs policy reforms to distribute more resources to working people, child-rearing families, and younger people. foreign investors may not be attracted by the course japan is taking with the social insurance and tax burden increasing, people spending only the minimum and vitality being lost. we need to think very hard about ways to prevent our country from becoming such a gloomy, aged society. >> reporter: the ballooning cost of social security isn't even discussed in japanese politics so it's likely to continue pressuring young households and in turn to remain a headache for japan's economy. yuko fukushima, nhk world. >> that's it for business news. i'll leave you with the markets. >>> japanese police have arrested a former worker at a nursing care facility on suspicion of killing three of his residents. the cases left people shocked and concerned for the safety of loved ones who stay in ca