“…The lack of flexibility also creates a disincentive for firms to invent, innovate, and diffuse new technologies and ways of doing things (Jaffe et al, 2003). Regulations could, in theory, be designed to be more flexible, but this would require that regulators have detailed information that is either not available or too costly to acquire; markets avoid this information problem because prices incorporate multiple types and sources of information-including personal values-as expressed in myriad decisions about buying and selling (Adler, 2000;Kula, 1998;Smith, 2000b;Stavins, 2002). Because of this range of drawbacks, therefore, regulatory approaches create economic hardships, are often ineffective, and are divisive.…”