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Quantifying Preference Manipulation: Growth Trends in Amazon's Barrier-to-Exit Over Time by@escholar
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Quantifying Preference Manipulation: Growth Trends in Amazon's Barrier-to-Exit Over Time

by EScholar: Electronic Academic Papers for Scholars
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EScholar: Electronic Academic Papers for Scholars

@escholar

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May 2nd, 2024
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The analysis shows a 1.8% annual growth in Barrier-to-Exit, indicating a significant trend in preference manipulation within Amazon's recommender system. Visualizations illustrate a 43% growth in Barrier-to-Exit over the study period, highlighting shifting user behaviors and preferences.
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EScholar: Electronic Academic Papers for Scholars

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STORY’S CREDIBILITY

Academic Research Paper

Academic Research Paper

Part of HackerNoon's growing list of open-source research papers, promoting free access to academic material.

Authors:

(1) Jonathan H. Rystrøm.

Abstract and Introduction

Previous Literature

Methods and Data

Results

Discussions

Conclusions and References

A. Validation of Assumptions

B. Other Models

C. Pre-processing steps

4 Results

The results from the model can be seen in table 1. The coefficient for time is 0.018 (SE=0.001). This implies growth in Barrier-to-Exit of 1.8% per year. This is highly significant (T=29.95, p ≪ 0.0001). The coefficient for activity level is 0.614 (SE=0.001), which is also highly significant (T=450.11, p ≪ 0.0001).


Table 1: Main Results

Table 1: Main Results


image


Figure 4: Effect plots for Year. 4a shows the partial effect plot. 4b shows the same but with residuals added. TheX-axis show years after the beginning of the dataset (1998 = 0). The pink line in Fig. 4b is a non-parametric line of

Figure 4: Effect plots for Year. 4a shows the partial effect plot. 4b shows the same but with residuals added. TheX-axis show years after the beginning of the dataset (1998 = 0). The pink line in Fig. 4b is a non-parametric line of


A visual representation of these models can be seen in figure 4. The partial effects plot (Fox, 2003) in fig 4a shows an increase in Barrier-to-Exit from approximately 1.15 to 1.5. This translates into a growth of approximately 43% over the duration of the study. Fig. 4b shows the effect plot with residuals.


This paper is available on arxiv under CC 4.0 license.


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EScholar: Electronic Academic Papers for Scholars@escholar
We publish the best academic work (that's too often lost to peer reviews & the TA's desk) to the global tech community

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