Evolving technologies that allow economists to gather new types of data and to manipulate millions of data points are just one factor among several that are likely to transform the field in coming years.

In a slow-growing world that is short on aggregate demand, Germany's trade surplus is a problem.

The Fed's independence is critical.

In the past, Federal Reserve chairmen have not generally gone directly to the public.

My job is making money, helping other people make money. I am spending money, trying to make sure more people get rich, because you cannot spend a lot of money, right? So my job is spending money, helping others. This is a headache.

In the days when I was the big hero, the money wasn't much. Nobody made anything on television in those days.

Every day I get to 'Think' and work on everything from digitizing electric grids so they can accommodate renewable energy and enable mass adoption of electric cars, helping major cities reduce congestion and pollution, to developing new micro-finance programs that help tiny businesses get started in markets such as Brazil, India, Africa.

Money earned by men would not always reach to their wives and children.