Amazon, you are in the process of choosing the site for your second headquarters, with promises of up to 50,000 jobs and $5 billion investments. Not surprisingly, cities are eager to attract you, and are offering large incentives — Maryland offers $8.5 billion in tax and infrastructure incentives, and Newark $7 billion.

But as an economics professor, I'm here warn you to give little weight to the incentives in your decision.

First, politics can turn on a company that voters view as greedy.

Read on, courtesy of Business Insider.