James P. Harrington is a director at Duff & Phelps. James provides technical support on client engagements involving cost of capital and business valuation matters, and is a leading contributor to Duff & Phelps' efforts in the development of studies, surveys, online content and tools, and firm-wide valuation models.

Previously, James was director of valuation research in Morningstar's Financial Communications Business, and led the group that produced the Ibbotson SBBI Valuation Yearbook, Ibbotson SBBI Classic Yearbook, Ibbotson Cost of Capital Yearbook, various international cost of capital reports, and also Morningstar's online “cost of capital resources center”.

James is co-author of:

• Valuation Handbook – Guide to Cost of Capital

• Valuation Handbook ‒ Industry Cost of Capital

• International Valuation Handbook – Guide to Cost of Capital

James is a contributing author to:

• Cost of Capital: Applications and Examples, 5th ed. (John Wiley & Sons, 2014).

James is the creator of the online Risk Premium Toolkit. The Risk Premium Toolkit is the online companion of the Valuation Handbook ‒ Guide to Cost of Capital