r/DecisionTheory
3k members
r/DecisionTheory is a subreddit with 3k members. The most common kinds of discussions are solution requests and advice requests, and the community frequently discusses decision, decision making, bayesian, optimization, and theory.
Statistical decision theory and utility theory.
Popular Themes in r/DecisionTheory
#1
Solution Requests
: "Best books"
2 posts
#2
Advice Requests
: "Keen on getting feedback from the community!"
2 posts
#3
Ideas
: "A mathematician’s trick completely changed how I make decisions — might help you too"
1 post
Popular Topics in r/DecisionTheory
#1
Decision
34 posts
#2
Decision Making
16 posts
#3
Bayesian
10 posts
#4
Optimization
: ""Song Pong: Synchronizing Pong to music with constrained Optimization", Victor Tao"
10 posts
#5
Theory
7 posts
#6
Probability
: ""An Intuitive Explanation of Black-Scholes: I explain the Black–Scholes formula using only basic Probability theory and calculus, with a focus on the big picture and intuition over technical details.", Gregory Gundersen"
6 posts
#7
Forecasting
: ""Academics are more specific, and practitioners more sensitive, in Forecasting interventions to strengthen democratic attitudes", Chu et al 2024"
6 posts
#8
Decision Making
: "Mastering Decision Making: Tips & Tricks for Better Choices. tedxtalks,english,business, education"
6 posts
#9
Machine Learning
5 posts
#10
Learning
5 posts
Flair Used in r/DecisionTheory
#1
Econ
: ""Fat tails discourage compromise""
12 posts
#2
Psych, Econ, Paper
: ""Decisions under Risk Are Decisions under Complexity", Oprea 2024 (behavioral economics biases might be because people are dumb, not irrational)"
9 posts
#3
Psych, Paper
: ""A solution to the single-question crowd wisdom problem", Prelec et al 2017"
7 posts
#4
Soft
: ""Group Theory in the Bedroom: An insomniac's guide to the curious mathematics of mattress flipping", Brian Hayes 2005 (no memory-less optimal algorithm for rotating a mattress to even out wear & tear)"
6 posts
#5
Econ, Paper
: ""The unexpected origins of a modern finance tool: Discounting calculations are ubiquitous today — thanks partly to the English clergy who spread them amid turmoil in the 1600s, an MIT scholar shows" (formal NPV estimates as mechanism for negotiation)"
5 posts
#6
Phi
: "Are most decision-theory arguments actually just different metaphysics?"
4 posts
#7
RL
: ""The Hidden Cost of Our Lies to AI""
4 posts
#8
Econ, Psych, Paper
: ""So long, and no thanks for the externalities: the rational rejection of security advice by users", Herley 2009"
3 posts
#9
Soft, Econ
: ""Heuristics on the high seas: Mathematical optimization for cargo ships""
3 posts
#10
Psych
: "How Cognitive biasness hindereses decision making?"
3 posts
Member Growth in r/DecisionTheory
Yearly
+349 members(11.5%)
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Last updated: September 11, 2026