115# 非主流书生
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作者在“局限性”中的描述如下:
Two limitations of this study are important to emphasize.
Our study only examines a particular kind of public goods. On Wikipedia, contributors are at the same time users of Wikipedia, and the
more contributors, the greater the quality of the good and thus the greater the number of users and
contributors. While many public goods today (e.g., public radio stations, open source software
and YouTube) share similar features, there are many other types of public goods. For example,
contributors to disaster relief funds are often not at the same time beneficiaries of the funds. In
addition,Wikipedia is an online public good. Whether we can generalize these results to different
types of public goods provision is an interesting question for future research.
The second limitation is related to the broad definition of “social effects.” Similar to many
prior studies on social effects (e.g., Charles F. Manski 1993; Andreoni and Ragan Petrie 2004),
we do not distinguish different motivations that give rise to social effects. This limitation largely
results from the fact that different social motivations could lead to similar behavioral patterns.
Future studies could seek to understand the relative importance of different motivations.