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Relatively little is known about the possibilities and limitations of voluntary public programs. The so-called 33/50 Program for reducing releases of certain toxic chemicals into the environment provides a useful instance for examination. In an investigation of toxics-reduction outcomes, with states as units of analysis, economic and policy variables help to explain the results. In particular, channels and approaches used In communicating policy intentions are related to outcomes. Voluntary programs can make a difference, but the details of execution, including the extent and nature of field efforts, influence outcomes.  相似文献   
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The study presents the results of neutron activation analysis (NAA) of contemporary pottery from Tigray Regional State, northern highland Ethiopia. This is the first regional-scale study of ceramic composition of Tigray’s pottery and is part of an ethnoarchaeological study of the material and social contexts of pottery production and consumption in Tigray’s Eastern (Misraqawi), Central (Mehakelegnaw), and North-western (Semien Mi’irabawi) zones. The analysis identifies clear compositional groups with strong regional patterns, an encouraging result for the use of NAA to study Tigray’s ancient pottery trade. Significantly, the study further contributes to discussions of how mutually constituted social identities of potters and consumers affect compositional patterning in the distribution of pottery in market networks.  相似文献   
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Despite sustained attention to the role of stakeholders in policymaking—both in legislative and regulatory venues—we lack a systematic understanding of whether and when stakeholders wield influence over decisions. This is particularly true regarding state-level rulemaking in the United States, which has become an important venue of policy action as federal policymaking is increasingly stymied. Although the specifics of the rulemaking process vary to some degree across states, determining whether common patterns of stakeholder influence exist across states and issue areas can advance our understanding of regulatory institutions more broadly. This study contributes to the growing body of scholarship on state-level rulemaking by analyzing the ways in which stakeholders participate in rulemaking processes and the effects on rulemaking decisions of such participation in three policy domains across five states. We find that while industry may be influential during rulemaking across cases, consequential opportunities for non-industry stakeholders to influence regulatory decisions also exist.  相似文献   
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