Abstract
In this paper, we model the potential for streaming music, a non-durable product, to upend and displace durable music sales. As the popularity of streaming music increases producers will adjust their production to focus on the non-durable channel. We identify conditions under which the changes in music delivery will encourage musicians to release fewer songs, but at a higher quality, leading to market deepening and increased engagement. This change will complete the unbundling process in music production making the traditional bundled album of little importance. This tendency toward unbundling for individual musicians depends on a robust bundle from a delivery platform to provide value for consumer subscriptions. Beyond a model of consumer utility and producer profit, we analyze the most played songs of the large streaming music platform, Spotify, and compare those results to traditional album sales using Nielsen data.
Acknowledgement
We would like to thank Fairfield University for a grant allowing for the purchase of data.
Appendix 1: Derivations
Appendix 2: Album Option
Our paper assumes a user’s decision is between MP3 purchases and streaming music. In this appendix, we explore the additional value that can come from albums. We first consider the consumer’s decision to purchase a bundle or individual MP3s in an unbundled form, without a streaming service option. We begin by examining the relevance of extras in the bundled form, which implies that L > 0. Assume that the number of songs to be sold as singles (with utility greater than zero) is D. In order for digital singles to strictly dominate bundled sales it must be that:
Or that
Solving for the level of appreciation of extras included in a bundle, we see that the bundle must satisfy
Implying that the bundle must satisfy
Given a sufficient level of utility for extras (L), artists can sustain some bundled sales in the presence of unbundling, but the hits strategy reduces the sales of bundles compared to the medium strategy. With the hits strategy, purchasing individual songs is strictly preferred to a bundle in the absence of extras.
Our approach provides a theoretical reason for the empirical findings of Elberse (2010) that demand for bundles of songs with similar appeal is less impacted by alternative formats. Albums composed of similar songs (medium strategy) fare better than albums with songs of differing appeal (hits strategy), due to the value of the songs included. The advantage of purchasing an MP3 single is that it allows users to avoid the tying of bad songs to good ones, an effect magnified as artists incorporate additional lower appeal songs in an album. The removal of this effect makes users indifferent to bundled albums and buying every song individually. This indifference and the inclusion of extras that have utility within the bundle will therefore tip the users preference to purchasing the bundle.
Our result indicates that the dedication of fans may lead to different strategies. An artist with a dedicated fan base may find bundles more profitable, whereas a new or struggling artist may aim for a hit to derive profit. Moreover, in the absence of extras a bundle’s price under the hits strategy will certainly exceed the price of an individual MP3. Owning the remaining low value songs adds some utility, but the bundled premium will surpass any additional benefit.
As shown by Boluk (2015), the only music formats to increase in spending in the last 15 years are digital download and digital streaming, therefore we assume that when an artist identifies an optimal strategy they concern themselves less with the implications for bundled sales with extras.[43] Obviously, the dedication of fans plays an important role in the demand for music. Since our focus is the digital market, we proceed with the assumption that L = 0, to illustrate the potential for streaming to affect the digital market for music. We have shown that for the medium strategy, purchasing all singles is strictly preferred if
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