Kathleen Casey-Kirschling (L) files for her Social Security retirement benefits online as Michael Astrue (2nd-L) commissioner of the Social Security Administration stands nearby on October 15, 2007 in Washington, DC. Casey-Kirschling was the nation's first Baby Boomer, born on January 1, 1946, and was the first to receive Social Security retirement benefits. - 

The Baby Boomer generation is expected to live longer than any other generation that preceded them. And with the current state of the economy and the possibility of a future without pensions and social security to fall back on, more and more of them are putting off retirement.

But maybe it's not such a bad thing.

In his new book, called "Unretirement," Chris Farrell argues that work has always been an essential part of our community, and that putting off retirement can be a good thing for everyone.

Click the media player above to hear Chris Farrell in conversation with Marketplace Morning Report host David Brancaccio.

Follow David Brancaccio at @DavidBrancaccio