Prescriptive Bayes 2025 or 26 Stanconnect #144
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Robin Na whom I have continuously exchanged thoughts on Bayes expressed some interest! He asked some plans and to persuade him to be a co-organizer, I drafted:
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our StanCon talk I need to learn more about SD community's initiative to invite outsiders and how it can contribute to expanding Bayes-SD communities i.e. #156 (comment) |
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AOM bayesian statistics audience analysisbased on basic info from https://cdmcd.co/yKQa3A, Table 1: Audience Demographics Summary with Affiliations
Total Audience: 55 Table 2: Session Sequence with Speaker Suggestions
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simulating chat with Tom and Jeff given desire "Cookbook approach of Bayes stats for management"1. aligned vision: Cookbook approach of Bayes stats for management2. choice of our cultureTreat any suggestion as proposal waiting for the others to react. Both the quality of proposal and acceptance function matters for our collaborative action. David Kantor's Conversational Actions, Patterns, and Structure: 3. informing history of actions (given the same belief and desire of bayes.stats. for management)
Q. how has encoding of belief evolved? technical feasibility2021
2022
2024
desirability2023
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4. action proposal for 2025preparing stanconnect event which can help us 🖼️framingchoice frameworks from other science: precise but narrow (Operations), rich but paralyzing (Behavioral), elegant but detached (Systems), passive inference (Statistics) 5. resourceToolsTheories/backbonesMackeyBarneyDotson15_CorporateDiv.pdf summarized as MackeyBarneyDotson15_CorporateDiv_MoonSum.pdf things to verify during first chat
q to jeff
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Proposal for a White Paper on Entrepreneurship as an Interdisciplinary FieldIntroductionEntrepreneurship is a complex, multifaceted phenomenon that benefits from multiple disciplinary lenses. Researchers and practitioners have long noted that there is no single agreed-upon definition or model of entrepreneurship, with various disciplines emphasizing different aspects ([Interdisciplinarity and Multidimensional of Entrepreneurship. Review of ...](https://ibima.org/accepted-paper/interdisciplinarity-and-multidimensional-of-entrepreneurship-review-of-the-main-definitions/#:~:text=Interdisciplinarity%20and%20Multidimensional%20of%20Entrepreneurship,of%20selected%20approaches%20to%20entrepreneurship)). This white paper will argue that combining insights from computer science, statistics, decision science, cognitive science, and traditional entrepreneurship theory and practice can provide a more holistic understanding of entrepreneurial success. By integrating these perspectives, we aim to address fundamental questions about how entrepreneurs make decisions under uncertainty, optimize with limited resources, and craft strategy in dynamic markets. The proposed white paper will serve as both a theoretical synthesis and a practical roadmap, demonstrating how interdisciplinary approaches can enhance our understanding of entrepreneurship. ObjectivesThis proposal outlines a plan to produce a comprehensive white paper. The key objectives are:
Through these objectives, the white paper will formally bridge theory and practice, offering clear insights and tools for both scholars and founders. Expert Engagement PlanA critical first step is to engage experts from each of the relevant disciplines. We will structure personalized outreach emails and propose collaboration formats tailored to each expert’s background and interests. The outreach will clearly state the white paper’s goals, highlight the specific intersections of the expert’s work with entrepreneurship, and invite their contribution (through interviews, written input, or co-authorship). Below is a plan for engaging each expert and the format of collaboration envisioned:
Collaboration Format & Timeline: Each expert will receive a personalized invitation email, followed by a proposed meeting (virtual or in-person) or questionnaire. We will compile their insights through recorded interviews or written correspondence. To encourage an ongoing dialogue, we may host a virtual roundtable with all experts once initial insights are gathered – this would allow cross-pollination of ideas (e.g., letting Gelman and Mansinghka discuss Bayesian methods together, or Fine and Hoffman debate scaling strategies). By engaging experts early and iteratively, the white paper will effectively blend scholarly theory with experiential knowledge, increasing its credibility and richness. This collaborative approach is methodologically justified as it ensures interdisciplinary validity – each expert can correct any field-specific nuance and contribute methods or case studies from their domain, leading to a more robust final synthesis. Interactive Framework Design: Assumptions, Paths, and DecisionsTo make the theoretical integration tangible, we will design an interactive framework that visually maps how different assumptions lead to one of two strategic paths: (1) an interdisciplinary collaboration roadmap or (2) an actionable research plan. This framework will act as a decision-support or illustration tool within the white paper (e.g., an interactive graphic in the digital version or a decision tree flowchart in print). Below we outline the concept and methodological justification for this interactive component:
Theoretical Synthesis: A Resource-Constrained Optimization PerspectiveAt the heart of the white paper will be a theoretical synthesis that reconceptualizes entrepreneurship as a resource-constrained optimization problem, informed by advances in rational decision theory (Bayesian reasoning), computational modeling, and established entrepreneurial strategies. This section will lay out the integrated framework in a scholarly yet accessible manner, bridging concepts from our various disciplines. We will organize the synthesis around the idea that entrepreneurs are essentially trying to maximize expected success (whether defined as growth, profit, impact, or learning) subject to constraints on resources and information. Below we outline the key components of this synthesis and the contributions from each domain: Entrepreneurship as Resource-Constrained OptimizationEntrepreneurs rarely have the luxury of abundant time, unlimited capital, or complete information; instead, they must make pivotal decisions under tight constraints and uncertainty. We will formally describe how many entrepreneurial decisions can be viewed through the lens of optimization with constraints. For example, choosing a go-to-market strategy can be framed as maximizing market traction given limited funding and a short runway, or deciding whether to pivot is akin to an optimal stopping problem under uncertainty. By casting these problems in optimization terms, we create a common language to connect different disciplines:
Insights from Bayesian Rationality and Probabilistic ProgrammingOne of the novel angles of our white paper is bringing in Bayesian rationality and probabilistic programming to model entrepreneurial decision-making. We will articulate how Bayesian decision theory can enhance entrepreneurial strategy formulation:
In summary, the Bayesian and computational piece of our synthesis provides a rigorous backbone: it treats entrepreneurial strategy as a process of sequential Bayesian updating and optimization, which can be approximated or automated with modern AI tools. This not only advances theory but has practical potential, e.g. a startup could use our probabilistic model to evaluate whether Blitzscaling or a lean approach is more likely to succeed given their current evidence and context. Insights from Entrepreneurial Strategy FrameworksEqually important in our integration are the rich frameworks and heuristics that have emerged from entrepreneurship research and practice. We will synthesize several such frameworks – Blitzscaling, “Nail it, Scale it, Sail it,” Lean/structured experimentation, and effectuation – showing how each can be interpreted through our unifying lens and how they complement the rational, Bayesian view. The goal is to demonstrate that these frameworks, while originating independently, can be connected and enhanced via interdisciplinary theory:
By examining these frameworks (and others as relevant) side by side, the white paper will create a synthetic view of entrepreneurial strategy. We will show, for instance, how the Entrepreneurial Strategy Compass’s four generic strategies (Intellectual Property, Disruption, Value Chain, and Architectural strategies, born from the collaborate/compete vs. control/execute trade-offs ([A strategic framework for start-ups - BusinessWorld Online](https://www.bworldonline.com/editors-picks/2018/07/18/174019/a-strategic-framework-for-start-ups/#:~:text=Authors%20Joshua%20Gans%2C%20Erin%20Scott%2C,technologies%20and%20started%20Dolby%20Laboratories)) ([A strategic framework for start-ups - BusinessWorld Online](https://www.bworldonline.com/editors-picks/2018/07/18/174019/a-strategic-framework-for-start-ups/#:~:text=technology%20to%20product%20developers%20and,known%20for%20their%20high%20rates))) can be understood through Bayesian optimization: each strategy excels under particular prior assumptions about the environment (e.g. an IP strategy is optimal if one assumes strong appropriability and benefit from collaboration, whereas a Disruption strategy is optimal if one assumes being first and fast yields the lion’s share of rewards ([A strategic framework for start-ups - BusinessWorld Online](https://www.bworldonline.com/editors-picks/2018/07/18/174019/a-strategic-framework-for-start-ups/#:~:text=consider%20two%20competitive%20trade,such%20as%20Sony%20and%20Bose)) ([A strategic framework for start-ups - BusinessWorld Online](https://www.bworldonline.com/editors-picks/2018/07/18/174019/a-strategic-framework-for-start-ups/#:~:text=The%20Disruption%20Strategy%20involves%20the,Netflix%E2%80%99s%20model%20became))). This not only unifies theory but provides actionable guidance – an entrepreneur can assess which conditions match their situation and thus which strategy type to pursue. The key tenet of strategy that choosing one path means forgoing others (“you can’t be all things to all people”) ([Strategy | Founder Challenge](https://www.thefounderchallenge.org/strategy#:~:text=The%20key%20tenant%20of%20strategy,proceed%20with%20your%20venture%20idea)) will be a recurring theme, reinforced by our interactive framework that forces a choice between paths given a set of assumptions. Methodological Justification for Theoretical IntegrationCombining these diverse ideas under one roof is a challenging task, but our approach is methodologically sound for several reasons. First, interdisciplinary integration addresses complex phenomena more fully than a single-discipline lens. Entrepreneurship involves human behavior (cognition), uncertainty (statistics, decision theory), technology and innovation (computer science), and strategic interaction (business and economics); a valid theory must account for all these facets. By explicitly drawing on each discipline’s strengths, we mitigate each one’s blind spots. For example, pure economic models might assume rational actors with infinite compute, but cognitive insights introduce realistic bounded rationality; conversely, purely behavioral descriptions can be ad-hoc, but marrying them with Bayesian decision theory gives a normative baseline to measure against. This complementary pairing increases the explanatory power of our framework. Second, our use of resource-constrained optimization as a unifying principle is justified by prior research recognizing resource constraints as central in entrepreneurship ([Entrepreneurship as Experimentation - American Economic Association](https://www.aeaweb.org/articles?id=10.1257/jep.28.3.25#:~:text=are%20not%20always%20made%20in,potentially%20very%20deep%20economic%20consequences)). It provides a common currency (everything has a cost or a trade-off) that allows us to translate concepts between domains. For instance, a psychological bias (like overconfidence) can be seen as mis-estimating probabilities in a Bayesian model; a strategy framework like Blitzscaling can be seen as changing the optimization objective (maximize speed, not efficiency). This cross-translation is only possible because we established a shared conceptual ground (optimization under constraints). Third, the inclusion of expert practitioners and empirical frameworks ensures that our theoretical synthesis remains grounded and testable. Each framework we include (Blitzscaling, Lean, etc.) comes with real-world case studies and data. By aligning our integrated theory with these known patterns, we can validate the theory. For instance, if our Bayesian model predicts that “when X and Y conditions hold, blitzscaling is optimal,” we can cross-check this against known blitzscaling success cases (e.g. Facebook, Amazon) and failures. Likewise, if our model suggests a staged approach, we can reference how many startups indeed go through the “nail it, then scale it” sequence. This interplay between theory and practice (a form of abductive reasoning, oscillating between deduction and induction) strengthens the credibility of the white paper’s conclusions. Finally, the methodology of building an interactive model and engaging experts in its creation acts as a form of peer review and validation. By coding our assumptions and seeing the outcomes, we are effectively testing the internal consistency of the integrated theory. By soliciting expert feedback, we catch any conceptual errors early and ensure the model resonates across fields. This process is akin to constructing an interdisciplinary proof-of-concept for the theory. Expected Outcomes and Next StepsUpon completion, this white paper will deliver several valuable outcomes:
In conclusion, this white paper will not only bridge theories from computer science to cognitive science to entrepreneurial practice, but also provide tangible tools and pathways for moving forward. By structuring the content with clear objectives, engaging the right expertise, and employing an interactive, assumption-sensitive model, we ensure the final output is both intellectually rigorous and practically useful. Entrepreneurship, as an interdisciplinary field, stands to gain from this integration – yielding insights that no single-discipline approach could produce in isolation. We are confident that this endeavor will enhance our understanding of how entrepreneurs can better navigate uncertainty and constraint, and ultimately, how society can better foster successful entrepreneurial outcomes through a fusion of ideas and methods across fields. |
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Call for thematic sessions for Stan conference in June seems to be great opportunity to gather interest + mature our knowledge on BayesSD. Thematic session seems appropriate (although additional poster sound good as well)
Thematic sessions are an opportunity to dive deeper into a topic and comprise three talks (15 + 5 minutes each), with an additional 10 minutes which can be used for a panel discussion. Thematic sessions may be run in parallel. To submit a proposal for a contributed talk, submit a form by March 31st.
The following were recommended components of the committee:
Below are my blueprint
Title of session
Prescriptive bayes: parallel flow of upstream testing and downstream prescription
Description of session
(tbd)
Speakers and talk titles
bayes simulation libraries (Paul Burkner)
engineering workflow for how uncertain components can be updated and orchestrated with sbc
bad decision function, good inference -> bad decision / good decision function, bad inference -> bad decision
min c'x (desire prior)
sbc (Martin, Teemu prescriptive sbc), Bayesflow (Stephan, Paul), arviz (Oriol, inference datatype for sbc + hier. visualization), readsdr (Jair), mstan (Ryan)
potential panel: Aki Vehtari, Andrew Gelman
required component:
-- B. Software development to support or complement the Stan ecosystem
-- E. Visualization techniques
bayes simulation in business school (??)
(using simulation-based structure in marketing)
-- A. Applications of Bayesian statistics using Stan in all domains
-- F. Tools for teaching Bayesian modeling
data2draws2decision with hierarchical modeling (Tom Fiddaman, Angie Moon)
a.k.a. actionable workflow, diagnostics-based prescription, end to end + hierarchy + application
discrete (agent-based, IP) vs continuous (compartment, SD) vs hybrid
upstream (estimation VS predictive) vs downstream (policy VS prescriptive)
upstream: data2draws, downstream: draws2decision - how IP is blended in + large scale
Tom is cooking a hierarchical + system dynamic model (e.g. chronic waste disease, demographic)
computational + large scale optimization transportation engineering approach for EV infrastructure management #142
potential panel: Vikash Mansinghka (discrete+estimation; demand prior elicitation), Alex Jacquiliat (discrete+policy; on-demand mobility, logistics decarbonization, societal application), Adam Elmachtoub (transportation and supply chain management, portfolio optimization), Garud Iyengar (systemic risk, asset management, operations management, sports analytics, and biology)
required component:
-- C. Methods for Bayesian modeling, relevant to a broad range of users
-- D. Theoretical insights on common Bayesian methods and models
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