there is one competition that i know of takes into account the profitability success of a designed product in addition to aesthetics and other considerations.
Design Exchange Awards
http://www.dx.org/dxa/index.html
The Design Exchange Awards, presented by Canadian Business magazine, are Canada’s only award program to judge design by results, balancing function, aesthetics, and economic success. A jury of leading business executives, designers and community leaders will select Award of Merit and Award of Excellence winners in each of the twelve categories, with one project winning Best of Category in each category.
Competition Criteria
Entrants are asked to explain how their project addresses the following 5 criteria. Each entry is numerically rated based on how well it meets the criteria for design effectiveness. All criteria receive equal weight in scoring and award selection.
The ultimate objective is to convince the judges that good design really works – and means good business.
I. Function
Performance of the design solution in relation to stated objectives and user needs.
II. Profitability
Including positive financial returns, strengthening of corporate brand positioning, relationship building, cost reduction, enhancing employee satisfaction and/or improving operational efficiencies.
III. Aesthetics
Alignment of all elements in the design solution for maximum physical, intellectual and emotional appeal.
IV. Innovation
Ability to apply new thinking, new methods and/or new technologies to address a specific challenge or opportunity.
Ability to show added value to the profession.
V. Accessibility and Sustainability
Design that makes daily life easier, safer, more comfortable and more affordable for everyone regardless of age, size, background or ability; surpasses code compliance to current legislation. Also minimal impact on the environment, reduces resources, minimizes waste, energy resource efficiency, surpasses conformance to current legislation and promotes knowledge & positive behaviours concerning environmental & social responsibilities.