There is astounding variation in product quality sold in markets even when quality is difficult to ascertain and rules are poorly enforced. We investigate whether sellers differ in innate honesty (incur private cost to provide good quality) and whether this explains the variation in quality. Our...

We evaluate a temporary public sector employment program targeted at individuals with weak labor market attachment, applying dynamic inverse probability weighting to account for dynamic selection. We show that the program is successful in increasing employment and reducing social assistance....