of Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID, provided by your instructor, to register for and use Pearson's MyLab & Mastering products.   Packages Access codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase.   Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code.   Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase.   -- Learn economics through real business examples. Hubbard/O'Brien explains the basics of economics by demonstrating how real businesses use economics to make real decisions everyday. This is something all readers can connect to, as they encounter businesses in their daily lives. And regardless of future career path—opening an art studio, doing social work, trading on Wall Street, working for the government, or bartending at the local pub—readers will benefit from understanding the economic forces behind their work.

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