This essay explores the concepts of causation and effectuation in entrepreneurship, highlighting the shift from economic inevitability to entrepreneurial contingency. Causation focuses on predefined objectives and strategies to achieve them, while effectuation emphasizes available means and emergent goals. The essay contrasts these approaches, examining their underlying principles, theoretical connections, and implications for businesses at various levels—from startups to established firms. It delves into the decision-making processes associated with each model, discussing how effectuation can foster innovation and adaptability. The essay concludes that while causation is ends-driven, effectuation is means-driven, offering a valuable framework for understanding entrepreneurial action and its impact on markets, industries, and economies. Desklib provides access to this essay and other resources for students.