More than three weeks after Tohoku and the eastern parts of the Kanto region were hit by a massive earthquake that triggered a tsunami and a nuclear power plant crisis — there are few indications of when Japan might get the situation under control.

Why is the disaster having such a major impact on the economy and what can be done to deal with it?

First of all, the March 11 quake affected a much wider area than the 1995 Great Hanshin Earthquake, and traffic disruptions are severely hindering the flow of goods.