Since exports increase a country's national income, and are determined by a number of variables, therefore an exogeneously motivated decrease (determined outside domestic control) will obviously have an adverse effect on national income.
to decrease the number of deaths
classical capitalism
http://www.smh.com.au/news/national/mobile-phones-and-young-brains/2008/01/26/1201157739715.html
the production for self consumption economics activities have parts.
National Prohibition in the US began in 1920 but support for it declined throughout the 1920s.
The lasting effects of the national youth administration were stupidity, cravings for pancakes, decrease in social life, and a grant to work and go to school.
environment is the big issue in Afghanistan so I mad a decission to work with National Environmental Agency
national crisis
The US passed the national origins act.
a. stock market crash
If you receive Social Security or Medicare, you should be paying close attention to the national debt talks. The government is focusing on cutting these benefits as well as Medicaid and other government assistance programs. It is not clear as to how the cuts will be made yet, but in order to decrease the national debt, the only way to do it is to have some type of decrease in these essential programs. A vote on the national deficit is slated to take place in the next two weeks.
Taxes, and government spending. Increasing taxes will decrease consumption and supply. Lowering taxes will increase consumption and supply. Increasing government spending will increase national consumption, and decreasing government spending will decrease national consumption. The economics AD-AS model shows a visual representation of the effects of fiscal policy on the economy if you are further interested.