Towards effective online review systems: impact on consumer behavior and design implications
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
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2017
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| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | VII, 157 Seiten Illustrationen, Diagramme |
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Datensatz im Suchindex
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| adam_text | Titel: Towards effective online review systems
Autor: Ivanova, Olga
Jahr: 2017
Table of Contents
Acknowledgements.........................................................................II
List of Figures..................................................................................VII
List of Tables...................................................................................VIII
1 Introduction............................................................................1
1.1 Motivation................................................................................1
1.2 Thesis Structure.................................................................................3
2 Think Twice before you buy! How Recommendations Affect Three-Stage Purchase Decision
Processes.................................................................................11
2.1 Introduction...................................................................................12
2.2 The Effects of Recommendations on the Outcomes of Multi-Stage Purchase Decision
Processes.................................................................................14
2.2.1 System-generated and User-generated Recommendations....................................15
2.2.2 The Moderating Effect of Gender and Individual Decision Process Variables..............18
2.3 Research Model.....................................................................................19
2.3.1 Consideration Set.......................................................................................19
2.3.2 Choice Set........................................................................................21
2.3.3 Choice........................................................................................23
2.4 Empirical Investigation................................................................................24
2.4.1 Experimental Design....................................................................................24
2.4.2 Pretest and Sample......................................................................................25
2.4.3 Manipulation Check.....................................................................................26
2.4.4 Gender-related Differences in Control Variables...........................................................27
2.4.5 Effects on Consideration Set Size, Transition Probability and Choice..........................21
2.4.6 Two or Three Stages..................................................................................31
2.5 Discussion.................................................................................33
3 Does Amazon Scare Off Customers? The Effect of Negative Spotlight Reviews on Purchase
Intention......................................................................................39
3.1 Introduction.........................................................................40
3.2 Theoretical Foundations and Research Model......................................................................41
3.2.1 Valence of Online Consumer Reviews..........................................................................42
3.2.2 Valence Intensity of Online Consumer Reviews...........................................................42
3.2.3 The Moderating Effect of Review Adoption...................................................................43
3.3 Research Methodology............................................................................44
3.3.1 Treatments.................................................................................44
3.3.2 Experimental Procedure..............................................................................45
3.3.3 Sample.....................................................................................46
3.4 Data Analysis and Results................................................................................46
3.4.1 Data Analysis......................................................................................46
3.4.2 Results....................................................................................47
3.5 Economic Effect of Spotlight Reviews...................................................................................49
3.6 Discussion.................................................................................50
4 How to Rank Products by Ratings According to Consumer Preferences: an Experimental
Investigation............................................................................55
4.1 Introduction............................................................................56
4.2 Related Literature...............................................................................58
4.3 The Effects of Product Ratings on Amazon Ranking............................................................59
4.4 An Overview of Methods for Ranking Products by Ratings..................................................63
4.5 Experiment................................................................................65
4.5.1 Experimental Design..................................................................................65
4.6 Analysis...................................................................................67
4.6.1 Effects of Ratings on Consumer Choices......................................................................67
4.6.2 Ranking Similarity.................................................................................68
4.6.3 Robustness checks...................................................................................70
4.7 Conclusion and Implications................................................................................71
5 Helping My Product to the Hall of Fame! The impact of Online Ratings on Product Sales..........80
5.1 Motivation..................................................................................81
5.2 Related Work.....................................................................................82
5.3 Methodology and Simulation Model......................................................................................83
5.3.1 Simulation Model....................................................................................83
5.3.2 Simulation Design......................................................................................84
5.3.3 Simulation Scenarios and Parameters..........................................................................85
5.4 Conclusion................................................................................86
6 How Can Online Marketplaces Reduce Rating Manipulation? A New Approach on Dynamic
Aggregation of Online Ratings...................................................................................89
6.1 Introduction................................................................................90
6.2 Related Work.....................................................................................92
6.2.1 Detective Mechanisms..................................................................................93
6.2.2 Rating Aggregation Mechanisms...................................................................................94
6.3 How Ratings are Aggregated?..............................................................................96
6.4 New Approach: Dynamic Rating Aggregation.......................................................................98
6.5 Simulation................................................................................101
6.5.1 Simulation Design......................................................................................102
6.6 Analysis and Results....................................................................................108
6.7 Robustness Checks......................................................................................113
6.7.1 Robustness Check 1: The Impact of Fake Negative Ratings......................................113
6.7.2 Robustness Check 2. Increasing the Frequency of Fake Ratings..............................114
6.7.3 Robustness Check 3. Varying Number of Rounds for Aggregation of Ratings...........115
6.7.4 Robustness Check 4. Alternative Value Function for Consumers Purchase
Probabilities..............................................................................116
6.8 Discussion.................................................................................119
7 What Makes a Hot Deal? Drivers of Deal Popularity in Online Deal Communities....................125
7.1 Introduction...........................................................................126
7.2 Conceptual Background............................................................................129
7.2.1 Online Social Communities.............................................................................129
7.2.2 Quality Signals in Online Deal Communities...............................................................129
7.2.3 Social Influence................................................................................131
7.3 Hypothesis Development.............................................................................132
7.3.1 Intrinsic Cues....................................................................................132
7.3.2 Extrinsic Cues.....................................................................................135
7.4 Methodology..............................................................................136
7.4.1 Data Collection and Sample........................................................................................136
7.4.2 Analysis..................................................................................138
7.5 Results..................................................................................139
7.5.1 Effects of Intrinsic Cues....................................................................................140
7.5.2 Effects of Extrinsic Cues....................................................................................143
7.6 Robustness Check...................................................................................143
7.7 Discussion.................................................................................145
8 Concluding Remarks................................................................................. 153
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| spelling | Ivanova, Olga Verfasser aut Towards effective online review systems impact on consumer behavior and design implications submitted by: Olga Ivanova München 2017 VII, 157 Seiten Illustrationen, Diagramme txt rdacontent n rdamedia nc rdacarrier Dissertation Universität Passau 2017 Empfehlungssystem (DE-588)7511891-9 gnd rswk-swf Electronic Commerce (DE-588)4592128-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Electronic Commerce (DE-588)4592128-3 s Empfehlungssystem (DE-588)7511891-9 s DE-604 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=029726273&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ivanova, Olga Towards effective online review systems impact on consumer behavior and design implications Empfehlungssystem (DE-588)7511891-9 gnd Electronic Commerce (DE-588)4592128-3 gnd |
| subject_GND | (DE-588)7511891-9 (DE-588)4592128-3 (DE-588)4113937-9 |
| title | Towards effective online review systems impact on consumer behavior and design implications |
| title_auth | Towards effective online review systems impact on consumer behavior and design implications |
| title_exact_search | Towards effective online review systems impact on consumer behavior and design implications |
| title_full | Towards effective online review systems impact on consumer behavior and design implications submitted by: Olga Ivanova |
| title_fullStr | Towards effective online review systems impact on consumer behavior and design implications submitted by: Olga Ivanova |
| title_full_unstemmed | Towards effective online review systems impact on consumer behavior and design implications submitted by: Olga Ivanova |
| title_short | Towards effective online review systems |
| title_sort | towards effective online review systems impact on consumer behavior and design implications |
| title_sub | impact on consumer behavior and design implications |
| topic | Empfehlungssystem (DE-588)7511891-9 gnd Electronic Commerce (DE-588)4592128-3 gnd |
| topic_facet | Empfehlungssystem Electronic Commerce Hochschulschrift |
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