Still,the chief economist of the International Monetary Fund says the effects of the world economic crisis will hurt both supply and demand for years to come.

VOA: special.2009.08.21

Now, the interest rate in Irving Fisher's world has to equate supply and demand in the market for debt.

在费雪的理论里,利率必须与,债券市场的供需关系保持平衡

耶鲁公开课 - 金融市场课程节选

The International Energy Agency has predicted a potential seven million barrel per day gap between supply and demand by 2015.

VOA: standard.2009.10.20

The International Energy Agency, an intergovernmental energy advisor, has projected an almost in conventional oil production by 2020 and the potential for a serious gap between supply and demand by 2015.

VOA: standard.2009.10.20

The agreement seeks to reduce the demand and supply of tobacco products.

VOA: special.2010.05.31

In the report, called "Heads in the Sand", the group says a serious decline in the supply of oil coupled with increasing demand and few new projects planned, means the world needs to move away from oil.

VOA: standard.2009.10.20