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661.
662.
Recent regulatory changes permitted natural gas pipelines to become "open access" transporters. This change in pipeline carrier status dissolved regulatory barriers to markets. This paper describes the institutions that were developed to support exchange in gas markets and observes and evaluates their emergence, evolution, and performance. The institutional and empirical evidence reveals that gas markets rapidly emerged with the dissolution of regulatory barriers. Spot gas prices converged and became highly correlated. A national market for natural gas developed within four years. 相似文献
663.
664.
This paper uses data from the April 1993 pension supplements to the Current Population Survey (CPS) to investigate the impact of employer matching and employee tenure on participation levels in 401(k) plans. While earlier studies examine similar issues, this study makes several advances. First, consistent with the theory that employers may use matching contributions to satisfy nondiscrimination rules, the study shows that correcting for the endogeneity of employer matching substantially increases the estimated effect of matching on participation levels. Second, the study provides evidence that the large positive association between employee tenure and 401(k) participation is because "stayers" tend to be "savers." 相似文献
665.
DAVID WEIL 《劳资关系》1991,30(1):20-36
This study examines the role of unions in implementing the Occupational Safety and Health Act (OSHA) by using a data set that provides information on regulatory enforcement. The analysis demonstrates that unionized establishments are more likely to receive safety and health inspections, face greater scrutiny in the course of those inspections, and pay higher penalties for violating health and safety standards than comparable nonunion establishments. Implementation of OSHA therefore seems highly dependent upon the presence of a union at the workplace. 相似文献
666.
667.
This paper borrows Dupuit's parable of a bridge so as to reexamine the problem of selecting and financing public investment projects in a dynamic and strategic setting. A regulator imposes a price ceiling, and a firm makes a sunk investment each period. Three simple examples reveal the connection between the non-cooperative equilibrium of this relationship and the second-best optimum. One cannot implement this "planning solution" generally since the firm and the regulator each behaves opportunistically toward the other's irreversible actions. The facility never will be built if investment in it is infinitely lumpy and if the facility is perfectly durable. Departing from this extreme case, however, one can restore proper incentives by adopting "trigger policies." The regulator responds to a deviation from a candidate path by cutting price down to operating cost, and the firm halts all investment. If capital does not depreciate too slowly and the future is not discounted too much, then one can approximate the planning solution by an equilibrium. The success of trigger policies suggests that reformers should relax many regulatory rules and procedures to support efficient investment in infrastructure. 相似文献
668.
669.
DAVID R. HOWELL 《劳资关系》1989,28(1):32-50
This paper presents a model in which production technology (scale and capital-intensity) explains interindustry differences in the earnings of workers with similar skill in similarly attrative jobs. The empirical analysis shows that manufacturing industires fall into three segments with broadly similar production technologies, and that prodcut market and employment characteristics vary as expected across these segments. Capital intensity and job-skill requirements are found to have positive wage effects for the full set of industries, but the resluts by segment suggest that the capital-intensity effect increases, and the skill effects decreases, with the capital-intensity of prodcution. 相似文献
670.