Can money buy you happiness? How much money is too much? Does wealth offer diminishing returns? In this edition of At the Money, Barry Ritholtz is joined by Brian Portnoy to explore these questions. Portnoy has held senior investment roles throughout the hedge fund and mutual fund industries. He is also the author of the bestselling books, 'The Geometry of Wealth' and 'The Investors Paradox.' See omnystudio.com/listener for privacy information.

Bloomberg Radio host Barry Ritholtz speaks with Brad Gerstner, founder and CEO of Altimeter Capital, a technology-focused investment firm, which has about $8 billion in assets under management. Altimeter manages a variety of venture and public funds and serves as a long-term partner to companies as they enter the public markets. (This episode was recorded on Nov. 8.)  See omnystudio.com/listener for privacy information.