This article analyzes how niche parties may utilize a strategy of policy shifting to garner additional voters. It leverages a unique opportunity in which a Costa Rican political party released two different versions of its party manifesto at different moments during a single election cycle. This rare opportunity uncovers how the party shifted from having a hard conservative stance on social issues, such as abortion, to moderating its stance and centering its focus on less contentious issues in a runoff election campaign. Understanding how a single political party may alter its strategy is important because it allows us to better gauge the effectiveness of shifting policy positions, especially for niche parties, for which a particular issue area is dominant. Moreover, this analysis opens additional avenues of research on political parties in the Latin American context, since research utilizing manifesto data in this context has been limited.

本文分析了利基政党如何利用政策转变策略来争取更多选民。它利用了一个独特的机会，哥斯达黎加政党在一个选举周期的不同时刻发布了两个不同版本的政党宣言。这一难得的机会揭示了该党如何从在堕胎等社会问题上的强硬保守立场转变为在决选竞选中缓和立场并将重点放在争议较小的问题上。了解一个政党如何改变其战略很重要，因为它使我们能够更好地衡量政策立场转变的有效性，特别是对于特定问题领域占主导地位的利基政党。而且，