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排序方式: 共有78条查询结果,搜索用时 15 毫秒
1.
William R. Dillon Ulf Böckenholt Melinda Smith de Borrero Ham Bozdogan Wayne de Sarbo Sunil Gupta Wagner Kamakura Ajith Kumar Benkatram Ramaswamy Michael Zenor 《Marketing Letters》1994,5(4):323-334
Our paper provides a brief review and summary of issues and advances in the use of latent structure and other finite mixture models in the analysis of choice data. Focus is directed to three primary areas: (1) estimation and computational issues, (2) specification and interpretation issues, and (3) future research issues. We comment on what latent structure models have promised, what has been, to date, delivered, and what we should look forward to in the future. 相似文献
2.
3.
This study explores the influence of governmental regulation on organizational strategies and performance outcomes. Drawing on literature in strategic management, we provide a longitudinal empirical analysis of viable strategies in the U.S. domestic airline industry during a 6-year period (1965-70) when it was regulated by the Civil Aeronautics Board. Results indicate that air carriers were indeed able to articulate coherent strategic postures despite regulatory constraints, and were thus able to influence profitability. 相似文献
4.
Existing research suggests that in acquisitions of small technology‐based firms by large established firms post‐merger integration both enables and hinders acquirers' efforts to leverage the technology of acquired firms. This apparent paradox can be resolved once we account for the qualitatively distinct ways in which acquirers leverage technology acquisitions. Integration helps acquirers use the acquired firm's existing knowledge as an input to their own innovation processes (leveraging what they know), but hinders their reliance on the acquired firm as an independent source of ongoing innovation (leveraging what they do). We also show that experienced acquirers are better able to mitigate the disruptive consequences of the loss of autonomy entailed by integration, though we find no evidence that they achieve greater coordination benefits from integration. Copyright © 2007 John Wiley & Sons, Ltd. 相似文献
5.
This paper looks at the currently available beta adjustment techniques and suggests a multiple root-linear model to adjust for the regression tendency of betas. Our empirical investigate on indicates that cross-sectional betas are not normally distributed, but their distribution tends to normal after a square-root transformation. The evidence from the Box-Cox regression model and the multivariate normality observed among betas after the transformation, make the functional form of our model correct. Also, we observe that the disturbance term of the multiple root-linear model is well behaved. These findings make the ordinary least squares estimates unbiased and efficient. Finally, the mean square and extreme errors are found to be lower when our adjustment procedure is used vis-à-vis the existing procedures. 相似文献
6.
Wayne S. Desarbo Venkatram Ramaswamy Michel Wedel Tammo Bijmolt 《Marketing Letters》1996,7(2):131-145
We propose an approach for deriving joint space maps of bundle compositions and market segments from three-way (e.g., consumers x product options/benefits/features x usage situations/scenarios/time periods) pick-any/J data. The proposed latent structure multidimensional scaling procedure simultaneously extracts market segment and product option positions in a joint space map such that the closer a product option is to a particlar segment, the higher the likelihood of its being chosen by that segment. A segment-level threshold parameter is estimated that spatially delineates the bundle of product options that are predicted to be chosen by each segment. Estimates of the probability of each consumer belonging to the derived segments are simultaneously obtained. Explicit treatment of product and consumer characteristics are allowed via optional model reparameterizations of the product option locations and segment memberships. We illustrate the use of the proposed approach using an actual commercial application involving pick-any/J data gathered by a major hi-tech firm for some 23 advanced technological options for new automobiles. 相似文献
7.
Tülin Erdem Kannan Srinivasan Wilfred Amaldoss Patrick Bajari Hai Che Teck Ho Wes Hutchinson Michael Katz Michael Keane Robert Meyer Peter Reiss 《Marketing Letters》2005,16(3-4):225-237
We explore issues in theory-driven choice modeling by focusing on partial-equilibrium models of dynamic structural demand
with forward-looking decision-makers, full equilibrium models that integrate the supply side, integration of bounded rationality
in dynamic structural models of choice and public policy implications of these models. 相似文献
8.
Mehta Nitin Rajiv Surendra Srinivasan Kannan 《Quantitative Marketing and Economics》2004,2(2):107-140
We propose a structural model to investigate the impact of forgetting on consumers' brand choice decisions in frequently purchased
products. Forgetting results in consumers imperfectly recalling their prior brand evaluations when making a purchase decision
in the category. We conceptualize the imperfect recall by positing that consumers recall their prior evaluations with noise.
Based on prior research in the behavioral area, we characterize the extent of forgetting as an increasing and concave function
of time. Our framework generates analytical results on the impact of forgetting on consumers' brand evaluations and their
consequent purchase behavior. We calibrate our model using scanner panel data for liquid detergents. Furthermore, we obtain
insights into the consumers' extent of forgetting in the category, extent of learning, predicted price elasticities and implications
on state dependence and habit persistence. Our results underscore the importance of modeling consumers' ability to recall
only imperfectly. 相似文献
9.
Modeling Methods for Discrete Choice Analysis 总被引:2,自引:3,他引:2
Ben-Akiva Moshe Mcfadden Daniel Abe Makoto Böckenholt Ulf Bolduc Denis Gopinath Dinesh Morikawa Takayuki Ramaswamy Venkatram Rao Vithala Revelt David Steinberg Dan 《Marketing Letters》1997,8(3):273-286
This paper introduces new forms, sampling and estimation approaches fordiscrete choice models. The new models include behavioral specifications oflatent class choice models, multinomial probit, hybrid logit, andnon-parametric methods. Recent contributions also include new specializedchoice based sample designs that permit greater efficiency in datacollection. Finally, the paper describes recent developments in the use ofsimulation methods for model estimation. These developments are designed toallow the applications of discrete choice models to a wider variety ofdiscrete choice problems. 相似文献
10.
Elumalai Kannan 《Journal of Agrarian Change》2015,15(2):201-219
India's agricultural sector is at a crossroads, facing challenges of stagnation in crop yields, non‐remunerative prices, falling crop incomes and tardy responses from public service systems. There are reports of peasant suicides due to non‐profitability of farming. However, scant empirical evidence is available on changes in real income and wages in the Indian agricultural sector. The present study uses data from the National Accounts Statistics and Cost of Cultivation Surveys to analyse the changes in real income and discusses the underlying reasons. The study reveals that the purchasing power of farmers has remained low and has worsened over recent years. The value of crop output has increased, but a disproportionate rise in input costs has resulted in a fall in crop incomes in several states, with the agriculturally developed Punjab being an exception. Interestingly, real wage rates for agricultural labour have shown an increasing trend, indicating improvement in the welfare of labour. 相似文献