A dispatch from Forbes (The Stagnant City: How Urban Politics Are Stalling Growth and Pushing Rents Up, Forbes.com, March 5, 2012 – click here ) reports a recent study by George Mason University Professor David Schleicher, indicating that urban zoning policies are disfavoring small developers and preventing construction of sufficient apartments where they are wanted, causimng rents to rise. For a Forbes interview with Prof. Schleicher, click on the link above.