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This paper introduces the connotation of Human Development Index (HDI) and its dimensional indices, as well as the HDI comprehensive evaluation method based on entropy weight. And the specific formula and steps for calculation are put forward. This paper also selects the HDI dimensional indices...
Persistent link: https://www.econbiz.de/10008558735
Cloud bursting is a hybrid computing resource model in which a firm firstly uses its own internal computing resources and then bursts to a public cloud for extra resources as needed. This paper develops quantitative models to examine whether a firm who has on-site capacity can be benefited from...
Persistent link: https://www.econbiz.de/10013030939
We consider a finite-horizon, periodic-review system for a perishable product at a retailer that faces stochastic, age-dependent demand and loses excess demand, if any. For this system, we build three models that capture two sources of unfilled demand, insufficient inventory and inappropriate...
Persistent link: https://www.econbiz.de/10012827511
We propose a regression discontinuity design which can be employed when assignment to a treatment is determined by an ordinal variable. The proposal first requires an ordered probit model for the ordinal running variable to be estimated. The estimated probability of being assigned to a treatment...
Persistent link: https://www.econbiz.de/10012865229
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The causal effect of the European Central Bank's corporate bond purchase program on bond spreads in the primary market is evaluated, making use of a novel regression discontinuity design. The results indicate that the program did not, on average, permanently alter the yield spreads of eligible...
Persistent link: https://www.econbiz.de/10014351994
Utilizing an influential event, the 2005 Lehman index rule change, we examined the role of multiple bond ratings in corporate hedging. We find that U.S. firms exhibit a sharp increase in their demand for a third Fitch rating after the Lehman event, with the pattern particularly significant for...
Persistent link: https://www.econbiz.de/10012975372
Hong and Kacperczyk (2010) document that decreases in analyst competition due to broker mergers encourage analysts to please managers, leading to greater consensus optimism bias. We propose three additional effects of analyst competition. The analyst effort hypothesis suggests that weaker...
Persistent link: https://www.econbiz.de/10012826681