Stock Exchange for Ideas. Can this work for science?

"Instead, they focus on an internal market where any employee can propose that the company acquire a new technology, enter a new business or make an efficiency improvement. These proposals become stocks, complete with ticker symbols, discussion lists and e-mail alerts. Employees buy or sell the stocks, and prices change to reflect the sentiments of the company's engineers, computer scientists and project managers — as well as its marketers, accountants and even the receptionist."
What would the model be for science? Anyone want to program it?
Anyone? Anyone?