Here are today’s new essays in the Cato Institute’s special online forum on reviving growth:

1. Richard Florida says that cities are our future.

2. Megan McArdle takes aim at regulatory complexity.

3. Dane Stangler wants more immigration and better teachers.

4. Scott Winship focuses on expanding opportunity for the disadvantaged.

5. Michael Mandel calls for hacking the regulatory state.

6. Brad DeLong waves his magic wand three times.