1.  Communitywide Database Designs for Tracking Innovation Impact: COMETS, STARS and Nanobank
by Lynne G. Zucker, Michael R. Darby, Jason Fong #17404 (PR)
http://papers.nber.org/papers/W17404

2.  Housing Busts and Household Mobility:  An Update
by Fernando Ferreira, Joseph Gyourko, Joseph Tracy #17405 (PE)
http://papers.nber.org/papers/W17405

3.  Exercise, Physical Activity, and Exertion over the Business Cycle
by Gregory J. Colman, Dhaval M. Dave #17406 (EFG HE LS PE)
http://papers.nber.org/papers/W17406

4.  What is the Risk of European Sovereign Debt Defaults? Fiscal Space, CDS Spreads and Market Pricing of Risk
by Joshua Aizenman, Michael M. Hutchison, Yothin Jinjarak #17407 (IFM ITI)
http://papers.nber.org/papers/W17407

5.  Heaping-Induced Bias in Regression-Discontinuity Designs
by Alan I. Barreca, Jason M. Lindo, Glen R. Waddell #17408 (ED HE LS TWP)
http://papers.nber.org/papers/W17408

6.  The Market for Conservation and Other Hostages
by Bard Harstad #17409 (EEE LE PE POL)
http://papers.nber.org/papers/W17409

7.  Comparison Friction: Experimental Evidence from Medicare Drug Plans
by Jeffrey R. Kling, Sendhil Mullainathan, Eldar Shafir, Lee Vermeulen, Marian Wrobel #17410 (AG HC HE IO PE)
http://papers.nber.org/papers/W17410

8.  Vote-Buying and Reciprocity
by Frederico Finan, Laura A. Schechter #17411 (POL)
http://papers.nber.org/papers/W17411

9.  Educational "Goodwill": Measuring the Intangible Assets at Highly Selective Private Colleges and Universities
by Peter Nurnberg, Morton Schapiro, David Zimmerman #17412 (ED)
http://papers.nber.org/papers/W17412

10.  Racial, Ethnic and Gender Differences in Physical Activity
by Henry Saffer, Dhaval M. Dave, Michael Grossman #17413 (HE)
http://papers.nber.org/papers/W17413

11.  The Impact of Therapeutic Procedure Innovation on Hospital Patient Longevity: Evidence from Western Australia, 2000-2007
by Frank R. Lichtenberg #17414 (HC HE PR)
http://papers.nber.org/papers/W17414

12.  Who Benefits from Regional Trade Agreements?  The View from the Stock Market
by Christoph Moser, Andrew K. Rose #17415 (IFM ITI)
http://papers.nber.org/papers/W17415