Knowledge@Wharton is the online research and business analysis journal of the Wharton School of the University of Pennsylvania. Launched in 1999 to disseminate knowledge from the school and other sources to a global business audience, it is published in English, Spanish, Portuguese and Chinese. The Knowledge@Wharton Network has more than 600,000 registered users worldwide.

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Entrepreneur Elon Musk: Why It's Important to Pinch Pennies on the Road to Riches