How Expert Entrepreneurs Actually Make Decisions
Expert entrepreneurs do not think the way business school case studies suggest. Research on how they actually reason offers a more workable model for genuine uncertainty.
Business school case studies commonly tend to describe entrepreneurship as a fixed sequence: identify a market opportunity, set a specific goal, then assemble the resources needed to reach it. Research on how expert entrepreneurs actually think, rather than how they are taught to think, found something considerably messier and, in a specific sense, more useful for dealing with real uncertainty.
Saras Sarasvathy, a longtime professor at the University of Virginia's Darden School who studied under Nobel laureate Herbert Simon, ran a study asking twenty seven expert entrepreneurs to talk through their decision making on a hypothetical new venture in real time. She found that the majority relied on a distinct pattern of reasoning she named effectuation, used in more than seventy five percent of the choices made by a majority of the entrepreneurs studied, a pattern that looked almost nothing like the goal first, plan driven approach business schools typically teach.
Sarasvathy calls this conventional, more traditional approach causation: start with a fixed goal, then work backward to determine the resources and steps required to reach it. Effectuation runs the logic in the opposite direction. It starts with the means actually already at hand, existing skills, existing relationships, existing resources, and asks what could plausibly be built from those, rather than starting with a specific destination and treating whatever is currently available as inadequate until proven otherwise.
A specific principle within effectuation is worth naming directly: affordable loss. Rather than asking what the maximum possible return on an opportunity might be, expert entrepreneurs in Sarasvathy's research more often asked a different question first, what is the most I can actually afford to lose if this specific attempt does not work, and sized the initial commitment to that number rather than to the size of the imagined upside.
A specific principle within effectuation is worth naming directly: affordable loss.
This particular reframing matters practically for a man early in building something new, since it removes a specific kind of paralysis that the goal first model tends to create. Waiting to act until a fully validated plan exists, with every resource question answered in advance, can delay action indefinitely, since a genuinely new venture rarely has enough information available up front to satisfy that standard. Starting instead from an honest inventory of means already available, and a clear number for what a first, real attempt would cost if it failed completely, converts an abstract, paralyzing uncertainty into a specific, boundable decision.
Sarasvathy's broader framework names several other principles alongside affordable loss that expert entrepreneurs in her research relied on. One, sometimes called the lemonade principle after the old saying about making lemonade from lemons, treats surprises and setbacks as raw material to be incorporated rather than as pure deviations from the plan to be corrected. Another, sometimes called the crazy quilt principle, favors building the venture through committed partnerships with self selected stakeholders willing to make a real commitment early, rather than through extensive, speculative market research about strangers who have made no such commitment at all.
Effectuation also reframes unexpected setbacks in a specific and useful way. Rather than treating an unplanned obstacle as evidence the original plan has failed, Sarasvathy's expert entrepreneurs more often treated it as new information to incorporate, adjusting the venture itself based on what the obstacle revealed, rather than treating deviation from the original plan as a problem to be corrected back toward the initial vision.
None of this means careful planning has no place at all in building a business venture. But the research is fairly direct on this specific point: the entrepreneurs who had actually built successful ventures were not the ones who predicted the future most accurately in advance. They were the ones who started from what they actually had, sized their risk to what they could genuinely afford to lose, and adjusted continuously as real information arrived, rather than waiting for a plan good enough to remove the uncertainty before beginning at all.