On ECONOMICS REPORT: He leaves at a time of major changes in the computer industry.  But over 90 percent of the world's one billion personal computers still use the Windows operating system.

On ECONOMICS REPORT: Actions to deal with the effects of the recent credit crisis include legislation, rule changes and arrests.

On ECONOMICS REPORT: Some blame speculators for recent increases, but others see market supply and demand at work. The I.M.F. will investigate.

On ECONOMICS REPORT: Treasury Secretary Henry Paulson suggests that intervention in currency markets is possible. But President George Bush may not agree.

On ECONOMICS REPORT: General Motors will close four truck factories and move to make more cars. Also, airlines are retiring older planes and cutting flights and jobs.

On ECONOMICS REPORT: He was a voice for change and new ways of thinking about social and business relations.

On ECONOMICS REPORT: The American popularized what is often called the "80-20 rule," and helped the Japanese improve their products.

On ECONOMICS REPORT: The popularity of the video game series has made Take-Two Interactive a takeover target.

On ECONOMICS REPORT: Unrest in oil-producing nations and the weak dollar are causes of the increase in oil prices.  But increasing demand has not been met with new supplies.

On ECONOMICS REPORT: Rising fuel and fertilizer costs are only part of the problem. Trade restrictions and the weak dollar have also pushed up prices.

On ECONOMICS REPORT: Barack Obama and Hillary Clinton have both called for renegotiating the trade agreement with Mexico and Canada. But the Bush administration says it is working, and wants Congress to approve deals with other countries.

On ECONOMICS REPORT: Where John McCain, Hillary Clinton and Barack Obama stand in their proposals.

On ECONOMICS REPORT: They tried to spread the risk from risky mortgage-backed securities, until the market collapsed.

On ECONOMICS REPORT: The plan would close some agencies, combine others and create new ones to supervise the financial industry. It has already met opposition from small banks and state officials.

On ECONOMICS REPORT: Falling prices lead to unexpected piece of good news for the housing market. Also, J.P. Morgan raises its offer for Bear Stearns.

On ECONOMICS REPORT: J.P. Morgan Chase is to buy the troubled investment bank with the help of a 30 billion dollar loan from the Federal Reserve.

On ECONOMICS REPORT: A deal awarded to a U.S. competitor, teamed with the parent of Europe's Airbus, angers some lawmakers in Congress.

On ECONOMICS REPORT: A new report on the troubled housing market adds to worries in a week when oil sets all-time records.

On ECONOMICS REPORT: Over half of ticket sales for American movies now come from other countries. But the industry sees billions lost to piracy.

On ECONOMICS REPORT: A study finds that a $90 wine is not as tasty when it costs only $10.