PLATFORM PROFILECOUR
Coursera
0.62
B-index (V3.1)
GROWING GRAVITY
Capture0.445
Escape0.718
Key Structural Insight
Brand-bundled certificates
Eleven-Parameter Profile
Data Depth5/10
Memory5/10
Action4/10
Process4/10
Network6/10
Closeness5/10
Portability7/10
Substitutability7/10
Human Fallback8/10
Org Depth4/10
Momentum4/10
Capture Escape Extended
V3.1 Decomposition
| Component | Value | Formula |
|---|---|---|
| CES₄ capture core | 0.4486 | CES(d, m, a, p) |
| Knowledge synergy σₖ | 0.5000 | √(d · m) |
| Operability synergy σₒ | 0.4000 | √(a · p) |
| Synergy boost | 1.1350 | 1 + 0.3·(σₖ + σₒ)/2 |
| Org-depth multiplier | 1.2000 | 1 + 0.5·o |
| Momentum multiplier | 1.1200 | 1 + 0.3·t |
| Total Capture | 0.4448 | c·(1+0.5n)·core·syn·org·mom |
| CES₃ escape core | 0.7326 | CES(x, s, h) |
| Feedback attenuation | 0.8430 | max(0.3, 1 − 0.35·core) |
| Total Escape | 0.7176 | ε + escCore · feedback |
| B = Capture / Escape | 0.62 | 0.445 / 0.718 |
Scoring Rationale
Parameter Sensitivity
MARGINAL B-INDEX CHANGE PER ±1 SCORE SHIFT
CLOSE5+0.25
ACT4+0.09
PROC4+0.09
DATA5+0.08
MEM5+0.08
ORG4+0.05
PORT7-0.05
SUB7-0.05
NET6+0.05
FALL8-0.05
MOM4+0.03
+ raises B (deepens lock-in)− lowers B (aids escape)
Comparable Platforms — Education, Research & Professional Information (7 peers)
| # | Platform | Ticker | B-index | Zone | |
|---|---|---|---|---|---|
| 01 | Elsevier/Scopus | REL.L | 6.89 | BLACK HOLE | Profile → |
| 02 | Westlaw (Thomson Reuters) | TRI | 6.63 | BLACK HOLE | Profile → |
| 03 | LexisNexis | REL.L sub | 6.46 | BLACK HOLE | Profile → |
| 04 | Clarivate (Web of Science) | CLVT | 4.99 | BLACK HOLE | Profile → |
| 05 | Canvas LMS | INST | 3.17 | BLACK HOLE | Profile → |
| 06 | Turnitin | Private | 3.10 | BLACK HOLE | Profile → |
| 07 | Blackboard | Private | 1.82 | EVENT HORIZON | Profile → |