12. Last week we studied both that people respond to incentives, and that laws passed with the best of intentions often have unintended consequences. Here is a short Marginal Revolution post about these ideas in action in Spain during the COVID lockdown. https://marginalrevolution.com/marginalrevolution/2020/03/dog- walking-markets-in-thwarting-the-spanish-lockdown.html Explain with at least 3 sentences why this article reflects one or both of those principles. (6 points)