The study of knowledge has always been one of the central issues of the AI research. The general belief has been that "the more you have it the better you are." It was well understood that incorrect knowledge is harmful and should be avoided, but correct knowledge had been mostly considered beneficial. The potential harmfulness of correct knowledge received attention in very few early works but...

∗This research was supported by funding from the Robert Wood Johnson Foundation. Iain Cockburn, Rebecca Eisenberg, Bronwyn Hall, Mark Lemley, Douglas Lichtman, Jean Lanjouw, David Mowery, Richard R. Nelson, Arti Rai, Mark Schankerman, Scott Stern, and Rosemarie Ziedonis provided helpful comments on an earlier draft of this paper. I also benefitted from feedback from participants at the 2004 NBE...

California, Berkeley; and Senior Fellow, Hoover Institution, and Ward C. Krebs Family Professor and Chair, Department of Political Science, Stanford University. The authors thank Maite Careaga, Scott Gehlbach, John Litwack, Douglass North, Yingyi Qian, and Daniel Treisman for helpful comments. Pathologies of Federalism, Russian Style: Political Institutions and Economic Transition Rui J. P. de ...

We show there exists a continuous compactly supported function ' de ned on the reals satsifying '(x) = c0'(2x) + c1'(2x 1) + c2'(2x 2) if and only if c1 = 1, c0 + c2 = 1, and jc0j; jc2j < 1. The functions ' are examples of scaling functions from the theory of wavelets. x

Monitoring System has been forthcoming (see March 1996 Colorado Dairy News). Although Colorado was not one of the states sampled. The results on a regional and national basis provide our producers with thoughtprovoking information. The Colorado Dairy News will feature topics from this study in this and future issues. We appreciate the assistance of Dr Scott Wells and his associates at NAHMS wit...