The most influential cities

American City and County: When it comes to policy issues, mayors from across the country look primarily to three particular cities for inspiration, according to a Boston University Initiative on Cities study.

When asked which cities they most often look to for policy or management ideas, mayors mentioned New York, Boston and Austin most frequently. The study found Denver, Portland, Ore., and Philadelphia also ranked highly, as did Salt Lake City, Los Angeles and Seattle. View the graph below for a complete breakdown.

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