Over the years, the technology of trade has changed in response to advances in the ability to communicate. From its origins on the streets of Chicago, the Board of Trade moved to a building housing 'trading pits' for the open-outcry exchange by brokers representing buyers and sellers.

I was a good student with mathematical ability and interests. As such, I took the usual college preparatory program in high school for one looking to become an engineer: all the available courses in mathematics and science.

In response to the drop in wealth suffered as a consequence of the 2008 financial crisis, homeowners and firms did attempt to increase savings in financial assets by reducing expenditure on durables.

My co-winners, Peter Diamond and Christopher Pissarides, and I wish to thank the Royal Swedish Academy of Sciences and the Nobel Foundation for this very great honor. We each feel privileged and humbled to be named the winners of the 2010 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel.

The Amish communities of Pennsylvania, despite the retro image of horse-drawn buggies and straw hats, have long been engaged in a productive debate about the consequences of technology.

Just the idea to have everything you need essentially stored in one piece of portable technology is very exciting.

I think we are in an age where cash pays for time and space. The more cash you have, the bigger space you can buy and the smaller the technology to put in it.

For example, Michael Mann's film Collateral - there is certain kinds of stories that lend themselves to digital photography. Some things are very raw stories that digital photography kind of lends itself to.