Category Archives: OJS

Open Journal of Statistics

Relationship between Logistics Firm Size and Business Diversification: An Empirical Study of Chongqing, Area in China

Authors: Nannan He, Wanshan Wu, Sijing Liu ABSTRACT CThis paper aims to explore the relationship between logistics firm size and business diversification, especially in micro- and small-sized enterprises, and assess the diversification process of Chongqing logistics enterprises using new data … Continue reading

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Generalized Method of Moments and Generalized Estimating Functions Based on Probability Generating Function for Count Models

Author: Andrew Luong ABSTRACT Generalized method of moments based on probability generating function is considered. Estimation and model testing are unified using this approach which also leads to distribution free chi-square tests. The estimation methods developed are also related to … Continue reading

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An Application of Heterogeneous Bayesian Regression Models with Time Varying Coefficients to Explore the Relationship between Customer Satisfaction and Shareholder Value

Authors: Duncan K. H. Fong, Qian Chen, Zhe Chen, Rui Wang ABSTRACT The authors propose new Bayesian models to obtain individual-level and time-varying regression coefficients in longitudinal data involving a single observation per response unit at each time period. An … Continue reading

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