Abstract
The video game industry is a platform market in which consumers derive value from a console based on the availability of software. This article examines the role of the quality of software in determining sales of associated hardware. I investigate this using data on the seventh generation of video game consoles (Xbox 360, PlayStation 3, and Wii). Using aggregated review scores from Metacritic, I build a novel measure of accumulated quality for both current-generation and backward compatible software for each console. Using an instrumental variables approach, I estimate the effects of these quality measures on weekly console sales. I find that overall software quality has a significant positive impact on hardware sales, while backward compatible software has a much smaller positive effect. Additionally, I incorporate a reliability measure into the estimation and discuss the console industry in the context of platform markets and durable goods.
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Notes
Data on the patches was collected from the website of prominent Microsoft employee Larry Hryb (http://majornelson.com), game news site IGN (http://www.ign.com) and corroborated using archived versions of Microsoft’s official list found using the Wayback Machine (https://archive.org/web/). Several games made early appearances on the compatibility list, but as of the current list, have been cut. I have omitted these games from the data. Appendix 2 gives a full list of sources.
Sources for the changing MSRP are listed in appendix 2
In both papers, data on competitors are used as instruments. In particular, Hahn, Koh, and Niculescu use lags of competitor sales.
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Acknowledgements
I thank the editor and the two anonymous reviewers and seminar participants at Purdue University, Indiana University, and the University of South Dakota for their helpful comments.
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Appendix
Appendix
1.1 Instrument relevance
Relevance of the instruments is a requirement for the two-stage least squares method to obtain unbiased estimates. Following Angrist and Pischke’s (2009) approach, I examine the F statistics in the first-stage regressions. Table 5 shows all relevant first-stage regressions in from the two-stage least squares regressions from Table 4. The final row of the table indicates which columns from Table 4 correspond to each. In all cases, the F statistics are large and show a high level of overall statistical significance. The cross-quality lag instruments are shown at the top of each table and all appear individually significant, as well.
1.2 MSRP and backward compatibility data sources
In this appendix, I list the news stories and press releases used to construct data on each console’s MSRP and backward compatibility. Some sources are no longer available and I use the Internet Archive’s Wayback Machine to access.
Data on the Xbox 360’s MSRP come from the following sources:
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Initial pricing: https://www.gamespot.com/articles/xbox-360-pricing-revealed-299-and-399-models-due-at-launch/1100-6131245/
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Price reduction (8-06-07): https://news.microsoft.com/2007/08/06/microsoft-lowers-price-of-xbox-360-by-50/
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Price reduction (9-05-08): https://www.gamespot.com/articles/xbox-360-arcade-officially-199/1100-6197209/#:~:text=Microsoft%20announces%20game%20industry’s%20worst,elite%20%24399%20starting%20September%205
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Discontinuation of Arcade Edition (6-19-10): https://web.archive.org/web/20100617214147/http://e3.gamespot.com/story/6265465/new-200-xbox-360-planned-elite-and-arcade-getting-50-price-cut
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Price reduction (8-03-10): https://www.engadget.com/2010-07-20-new-xbox-360-4gb-ships-august-3rd-for-199-kinect-standalone-pr.html
There were a total of 9 Xbox 360 backward compatibility patches released from 2005 to 2007. Backward compatibility to original Xbox titles was added individually in each patch. Most of the data comes from Larry Hryb’s website (http://majornelson.com). Hryb has worked in Microsoft’s Xbox division since 2003 and was involved with the Xbox 360’s development from its inception. Based on the sources below, I manually coded each game to add to the Xbox 360’s backward compatibility score on the appropriate date.
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1.
11-11-05: http://www.ign.com/articles/2005/11/12/backwards-compatible-titles-revealed
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2.
12-09-05: http://majornelson.com/2005/12/09/xbox-360-bc-list-updated/
- 3.
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4.
6-13-06: http://www.ign.com/articles/2006/06/13/backward-compatibility-update-2
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5.
8-28-06: http://majornelson.com/2006/08/28/august-2006-back-compat-update/
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6.
12-14-06: http://majornelson.com/2006/12/14/december-06-back-compat-update/
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7.
4/9/07: http://majornelson.com/2007/04/19/april-07-back-compat-update/
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8.
7-12-07: http://majornelson.com/2007/07/12/july-2007-back-compat-update/
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9.
11-27-07: http://majornelson.com/2007/11/27/november-07-back-compat-update/
Several games were eventually cut from the final backward compatibility list (https://www.lifewire.com/xbox-og-360-backward-compatibility-list-3563148). I omit these from the backward compatibility calculation.
Data on the PlayStation 3’s MSRP come from the following sources:
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Initial price: https://money.cnn.com/2006/05/08/technology/ps3_pricing/
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20gb model discontinued (4-11-07): https://techcrunch.com/2007/04/12/20gb-ps3-discontinued-funeral-service-scheduled-for-next-week/
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Price reduction (7-09-07): https://www.engadget.com/2007-07-09-sony-confirms-80gb-playstation-3-and-price-drop-for-60gb-model.html
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40gb model introduced: (11-02-07): http://blog.us.playstation.com/2007/10/18/40gb-ps3-coming-nov-2-price-reduced-for-80gb-model/
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Price reduction (9-01-07): http://arstechnica.com/gaming/2009/08/18/ps3-slim-hits-september-1-for-300-ps3-price-cut-wednesday/
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Slim edition introduced (9-25-12): https://www.engadget.com/2012-09-19-sony-announces-a-new-ps3-the-latest-redesign-of-its-gaming.html
Only the original 20gb and 60gb PlayStation 3 models were backward compatible with PlayStation 2 games (https://www.lifewire.com/can-your-ps3-play-ps2-games-2717135). Once these were discontinued, backward compatibility ended.
Data on the Wii’s MSRP come from the following sources:
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Initial price: https://www.ign.com/articles/2006/09/14/us-wii-price-launch-date-revealed
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Price reduction (9-23-09): http://www.cnet.com/news/nintendo-drops-wii-price-to-199/
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Price reduction (5-15-11): http://www.ign.com/articles/2011/05/04/nintendo-confirms-wii-price-cut
Early Wii models were fully backward compatible with GameCube games. Backward compatibility ended when the original model was replaced by the Wii Family Edition (http://www.nintendolife.com/news/2011/08/current_wii_model_to_be_discontinued) in 2011.
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Wai, S. Software quality and backward compatibility in the video game industry. J. Ind. Bus. Econ. 49, 545–570 (2022). https://doi.org/10.1007/s40812-022-00224-2
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DOI: https://doi.org/10.1007/s40812-022-00224-2