Update research.md

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 # Publications
 
-+ **Fast Friends: The Impact of Short-term Migration on Firms' Invention Outcomes**.  
++ **Fast Friends: The Impact of Short-term Visits on Firms' Invention Outcomes**.  
 *Organization Science*, Accepted. 2024. Kang, H. & Eklund, J.
 <span style="float:right"><a href="https://www.ssrn.com/abstract=4742137" class="btn btn--info btn--small">SSRN</a>
 <a href="/assets/pdf/Kang-Eklund-2024-Fast Friends.pdf" class="btn btn--danger btn--small">PDF</a></span>
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       This paper presents the first randomized control trial to evaluate the commercial value of maintaining patent protection. In collaboration with a large multinational company, existing patents covering products in the marketplace were either abandoned or maintained at random. We then traced the effects of patent protection on product-level commercial outcomes using confidential internal data. On the margin, products protected by patents generated 35% more revenue for the firm, primarily through higher unit sales. Maintaining these patents was highly cost effective, yielding $67 in additional benefits for each dollar spent. Insomuch as the patenting behavior of the firm in our study is representative, our results suggest that firms should be maintaining more patent protection on products.</blockquote>
   </details>
 
++ **The Dual Edges of AI: Advancing Knowledge While Reducing Diversity**.  
+*Under Review*. 2024. Choi, S., Kang, H., Kim, N., and Kim, J.
+  <details>
+  <summary><font color="gray">Abstract +</font></summary>
+    <blockquote>We study how the interaction between human professionals and artificial intelligence (AI) in advancing knowledge, using professional Go matches from 2003 to 2021. In 2017, an AI-powered Go program (APG) far surpassed the best human player, and professional players began learning from AI. Such human-AI interaction paved a new way to reassess historical Go knowledge and create new knowledge. We analyze standard patterns (defined as a sequence of the first eight alternating moves) in 69,996 games and find that, after APG, professional players significantly changed how they adopted different sets of moves. However, new knowledge catalyzed by AI comes at the expense of a reduced diversity in moves. Further, AI’s impact on knowledge creation is greater for highly skilled players; since AI does not explain, learning from AI requires the absorptive capacity of the top professionals.</blockquote>
+  </details>
+
 + **Flying through Turbulent Environments: Physical Resource Reconfiguration and Redeployment in the Airline Industry**.  
 Working Paper. 2023. Eklund, J. & Kang, H.
   <details>