What makes and what does not make a real option? A study of equity shares in international joint ventures

I.R.P. Cuypers, Xavier Martin

Research output: Contribution to journalArticleScientificpeer-review

152 Citations (Scopus)


This paper examines the boundaries of real options logic, with an application to joint ventures (JVs). We distinguish between forms of uncertainty that are resolved endogenously and those that are resolved exogenously, and theorize that only exogenous uncertainty will have the impact predicted by real options theory on a foreign investor's choice of how large an equity share to take in a JV. We theorize that macroeconomic and institutional variables generate exogenous uncertainty whereas, by contrast, cultural distance and choices pertaining to corporate scope and product or process development activities involve endogenous sources of uncertainty that investors can both assess and act upon without having to “wait and see”. Using a sample of 6472 Sino-foreign JVs, we find support for our predictions. We discuss and implement proper methods to test for the existence of null effects, as is relevant to establish the boundaries of a theory such as real options theory. We draw implications for research and practice on JVs – specifically equity share decisions, which deserve more attention – and real options, including suitable uses and desirable extensions of the concept.
Original languageEnglish
Pages (from-to)47-69
JournalJournal of International Business Studies
Issue number1
Publication statusPublished - 2010


  • alliances and joint ventures
  • China
  • equity shares
  • real options
  • uncertainty


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