Assessment of the Profitability of an Apartment Building Complex Using a Stochastic Cash-Flow
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Bibliographic record
Abstract
The economic feasibility of apartment building complexes is mainly done by using one of the economic analysis methods: present worth, future worth, annual worth, rate of return, or benefit-cost ratio. The cash-flow used is based on the assumption that a certain fraction of the apartments will be sold during the construction period, and the rest equally sold annually over a certain period of time. This model may work sometimes, but its estimated profitability is inaccurate. The actual cash-flow to be used is stochastic. In this paper, we shall use a cash-flow with random separation time between successive sales of apartments after the construction period. We shall find a compact form of the expected present worth, and determine a range for the annual discount rate so that the project is profitable.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it