The Price Is Set Elsewhere Sign, Size and Survival in the Return to Effort, and a Four-Component Hypothesis of Flexibility — one combined application, three propositions, a halving test and a set of predictions
Abstract A family of traditional beliefs holds that effort is repaid: heaven rewards diligence, and a house that accumulates goodness has blessings to spare. Another strand of the same tradition holds that fortune and misfortune lean on each other and cannot be booked in advance. Read as a ledger — put in, and it will be repaid — the first belief is false, and the reason can be stated exactly. Let X be the net return per unit of outlay in a given environment and f the share of reserves put in. Proposition 1, a known property of log-optimal growth, shows that if the environment prices the outlay at zero or below (E[X] ≤ 0), long-run growth E[ln(1 + fX)] is negative and strictly decreasing for every positive f. The price is set by the environment, not by the agent, and putting in more where the price is non-positive only deepens the loss. The logarithmic form applies where returns compound on a reserve; on flow budgets such as time and attention only the sign judgment survives. Proposition 2 places greed and fear on one axis, as over- and under-sizing, and shows their consequences are asymmetric: under-sizing reduces growth but never reverses its sign, while over-sizing beyond a threshold does. The threshold is twice the edge at second order, but under a left tail growth reverses sooner — at 1.55 times the optimum in one example, where the second-order form would size beyond the ruin bound. Under unbiased noise τ in the estimated edge μ, the optimal shrinkage is c* = μ²/(μ² + τ²). Proposition 3 shows, to second order and for any distribution of the estimation error, that declining whenever the estimate is non-positive raises both the attainable growth and the optimal stake; at τ = μ the growth rises by 22 percent and at τ = 2μ it more than doubles. A sign error and over-sizing produce the same symptom, negative growth; a halving test separates them, but resolving the sign takes at least about (σ/μ)² periods, which is why survival — the domain on which growth is defined — comes first. "Fortune" is therefore best read as lasting: the retained ability to choose again. Two readings follow. Flexibility has four components — conative, cognitive, affective and action — each with its own failure mode and its own optimum. And forces that rewrite what a person wants act on conation directly, which every account of choosing one's outlays presupposes and the traditional beliefs never protect. Eight registered predictions close the paper.
Authors
- Qinfu Li (ORCID: https://orcid.org/0009-0007-0923-5008)
Publication Details
- Journal
- Zenodo (CERN European Organization for Nuclear Research)
- Published
- 2026-09-26
- DOI
- https://doi.org/10.5281/zenodo.22963693
- Primary Topic
- Economic theories and models
- Type
- preprint