iPhone 5 not just a phone; it's a stimulus too

Apple's iPhone 5 is one of the biggest product launches ever in the sector, and may also deliver a well-timed stimulus to the US economy ahead of the presidential election, analysts say.

Obama unveils historic power grid reform

President Barack Obama Tuesday announced the largest modernization of the US electricity grid in history, in a 3.4-billion-dollar bid to launch a new era of renewable energy consumption.

Toshiba, Sharp mull 'solar power tie-up'

Japanese consumer electronics giants Toshiba and Sharp are in talks on a possible tie-up in the solar power generation field, the companies said Friday.

Why Curiosity matters

Adam Steltzner doesn't sound much like an ordinary engineer. 

Alternative-energy innovations on display

Climate change is in dispute. Oil and gas are staging a comeback. Republicans are questioning federal funding for energy research as a waste of money in a time of deficits.

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Fiscal policy

In economics, fiscal policy is the use of government spending and revenue collection to influence the economy.

Fiscal policy can be contrasted with the other main type of economic policy, monetary policy, which attempts to stabilize the economy by controlling interest rates and the supply of money. The two main instruments of fiscal policy are government spending and taxation. Changes in the level and composition of taxation and government spending can impact on the following variables in the economy:

Fiscal policy refers to the overall effect of the budget outcome on economic activity. The three possible stances of fiscal policy are neutral, expansionary and contractionary:

Fiscal policy was invented by John Maynard Keynes in the 1930s.

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