Recent emphasis on customer service in both the academic and trade literature reveals a growing but confusing body of knowledge.
Both the marketing and logistics disciplines have offered varying definitions of customer service, but have failed to offer
a comprehensive framework which represents customer service and its related marketing and logistics issues. This article offers
the viewpoint that customer service is a conceptual unifying factor for integrating marketing and logistics. The channel system
is introduced as the vehicle by which buyer/seller relationships must be analyzed to understand formation of buyer expectations,
interaction of marketing and logistics activities, and subsequent customer service performance. The institutional, behavioral,
and physical dimensions of channel activity influence many of the marketing and logistics decisions made by management. The
framework offered in this article differs from previous efforts in that customer service is the output of the unified activities
of marketing and logistics. It considers marketing and logistics decisions jointly, re-evaluates and expands the production
function in logistics, and ties customer service to customer satisfaction or dissatisfaction. 相似文献
Background: Validation of overall survival (OS) extrapolations of immune-checkpoint inhibitors (ICIs) during the National Institute for Health and Care Excellence (NICE) Single Technology Assessment (STA) process is limited due to data still maturing at the time of submission. Inaccurate extrapolation may lead to inappropriate decision-making. The availability of more mature trial data facilitates a retrospective analysis of the plausibility and validity of initial extrapolations. This study compares these extrapolations to subsequently available longer-term data.
Methods: A systematic search of completed NICE appraisals of ICIs from March 2000 to December 2017 was performed. A targeted search was also undertaken to procure published OS data from the pivotal clinical trials for each identified STA made available post-submission to NICE. Initial Kaplan-Meier curves and associated extrapolations from NICE documentation were extracted to compare the accuracy of OS projections versus the most mature data.
Results: The review identified 11 STAs, of which 10 provided OS data upon submission to NICE. The extrapolations undertaken considered parametric or piecewise survival models. Additional data cut-offs provided a mean of 18 months of OS beyond the end of the original data. Initial extrapolations typically under-estimated OS from the most mature data cut-off by 0.4–2.7%, depending on the choice of assessment method and use of the manufacturer- or ERG-preferred extrapolation.
Conclusion: Long-term extrapolation of OS is required for NICE STAs based on initial immature OS data. The results of this study demonstrate that the initial OS extrapolations employed by manufacturers and ERGs generally predicted OS reasonably well when compared to more mature data (when available), although on average they appeared to underestimate OS. This review and validation shows that, while the choice of OS extrapolation is uncertain, the methods adopted are generally aligned with later-published follow-up data and appear appropriate for informing HTA decisions. 相似文献
This study examines whether firms engage in income-decreasing real earnings management before open market stock repurchases to reduce the cost of stock buybacks. In the short run, managers have the ability to underproduce inventory and increase discretionary expenditures, thus decreasing current period earnings. We find that managers engage in both of these activities before repurchasing their firms’ shares, especially the latter. Also, companies increase their discretionary spending before making repurchases to a greater extent following the passage of the Sarbanes–Oxley Act of 2002 as well as when they are financially healthy and have high marginal tax rates. Finally, we document that firms with the most income-decreasing real earnings management experience the largest positive abnormal returns during the subsequent period. Our findings highlight the importance of considering firms’ use of real operating decisions, as opposed to just opportunistic disclosure practices, around significant corporate events, such as the repurchase of their own stock. 相似文献
This article studies the repayment of regional debt in a multiregion economy with a central authority: Who pays the obligation issued by a region? With commitment, the central government will use its economy‐wide taxation power in support of its objective to smooth distortionary taxes and consumption across regions. Absent commitment, this tool of the central government may be exploited to induce it to bail out regional government deficits. We characterize the conditions under which bailouts occur and their welfare implications. In particular, we show when the gains from a federation may outweigh the welfare costs of a bailout. We use these insights to comment on actual fiscal relations in three quite different federations: the United States, the European Union, and Argentina. 相似文献
In this most convulsive and confus- ing time in modern American finance, one point stands out: Credit market fail- ure has pushed the economy to the edge, and policymakers are scrambling to pull it back. When investors began to flee the heretofore safe harbor of money-market funds in favor of Treasury bills that guar- anteed a mere 0.04% return, it was plain that confidence in the financial system was breaking down. The government's ad hoc approach, intended to prevent failing institutions from collapsin... 相似文献
We measure the preparedness of listed firms for international financial reporting standards (IFRS) by changes in explanations from Australian GAAP to IFRS between the half-year and annual accounts. About one-third of sample firms changed their explanations for earnings, cashflows or equity by averages of about −7%, 67% and 3% respectively. Most changes are less than 5% for earnings and equity, and tax is the item most commonly revised. More profitable firms and firms with more reconciling items are most likely to change an explanation. In a telephone survey of chief financial officers, 70% revealed that the change followed an incorrect application of an accounting rule in the half-year accounts. 相似文献
We here critique the articles by Dmitruk & Koshevoy (1991, J Econ Theory 55:121–144) and by Bol (1986, J Econ Theory 38:380–385)
by showing how to solve the examples they erected to show the non-existence of functions for evaluating performance efficiencies
in DEA. We also show that functions satisfying these criteria—and other important criteria as well—were already available
prior to the publications of D&K and by Bol and have since been greatly extended to increase the power and scope of DEA.
Motivated by problems of coordination failure in organizations, we examine how overcoming coordination failure and maintaining
coordination depend on the ability of individuals to observe others’ choices. Subjects’ payoffs depend on coordinating at
high effort levels in a weak-link game. Treatments vary along two dimensions. First, subjects either start with low financial
incentives for coordination, which typically leads to coordination failure, and then are switched to higher incentives or
start with high incentives, which usually yield effective coordination, and are switched to low incentives. Second, as the
key treatment variable, subjects either observe the effort levels chosen by all individuals in their experimental group (full
feedback) or observe only the minimum effort (limited feedback). We find three primary results: (1) When starting from coordination
failure the use of full feedback improves subjects’ ability to overcome coordination failure, (2) When starting with good
coordination the use of full feedback has no effect on subjects’ ability to avoid slipping into coordination failure, and
(3) History-dependence, defined as dependence of current effort levels on past incentives, is strengthened by the use of full
feedback.
Electronic Supplementary Material Supplementary material is available in the online version of this article at
.
JEL Classification C92, D23, J31, L23, M52 相似文献
This paper presents a dynamic model that determines the optimal number of deer hunting permit sales, subject to the objective of maximizing the discounted economic benefits stream from both the consumptive and nonconsumptive uses of deer. This bioeconomic model integrates economic benefits estimated using the dichotomous choice contingent valuation method with biological growth constraints on deer. Using a hunting zone in California as a case study, the model found that the optimal levels of buck hunting permits sold should change on a rotational basis over time and that the current practice of not selling doe hunting permits for that zone is non optimal. 相似文献
Pareto-Koopmans efficiency in Data Envelopment Analysis (DEA) is extended to stochastic inputs and outputs via probabilistic input-output vector comparisons in a given empirical production (possibility) set. In contrast to other approaches which have used Chance Constrained Programming formulations in DEA, the emphasis here is on joint chance constraints. An assumption of arbitrary but known probability distributions leads to the P-Model of chance constrained programming. A necessary condition for a DMU to be stochastically efficient and a sufficient condition for a DMU to be non-stochastically efficient are provided. Deterministic equivalents using the zero order decision rules of chance constrained programming and multivariate normal distributions take the form of an extended version of the additive model of DEA. Contacts are also maintained with all of the other presently available deterministic DEA models in the form of easily identified extensions which can be used to formalize the treatment of efficiency when stochastic elements are present. 相似文献