Pippa's Pen & Podcast
Investor Due Diligence Report
by Dr Pippa
substackEconomics
Bubbling with fresh ideas on the world's economy.
30K
900 paid
~0%
Subscriber count is a platform estimate
Pricing
$25/mo
$200/yr annual option
$16K
900 paid subs
$16K/mo – $16K/mo(±0%)
6.5
60.0
0.22%
(comments + likes) / subscribers
Previously Weekly
0.8 posts/week
50/100
Variable (~11.5d avg)
| Newsletter | Subscribers | Weekly Growth | Price | Platform |
|---|---|---|---|---|
| Kyla’s Newsletter | 156K | +0.7% | $10/mo | substack |
| Geld für die Welt | 41K | N/A | $5/mo | substack |
| Alex Krainer's Substack | 34K | N/A | $5/mo | substack |
| Rational Optimist Society | 26K | N/A | Free | substack |
| Month | Subscribers | Est. Revenue | Change |
|---|---|---|---|
| Feb 2026 | 30K | $29,756.25 | — |
| Mar 2026 | 30K | $29,756.25 | ~0% |
Platform Dependency
Hosted on substack subdomain
Publishing Consistency
Variable publishing frequency
Key Person
Single-author publication — key-person dependency
Revenue Model
Active paid subscription tier
Subscriber threshold
30K subscribers — above the 5K category median for first paid tier
Has paid tier
Active paid subscription offering
Peer monetization
100% of 18 similar-size peers in Economics have paid tiers
Pricing position
$25/mo vs $8/mo category median (191 newsletters)
| Date | Monthly | Annual |
|---|---|---|
| Mar 2026 | $25 | $200 |
Disclaimer: This report is generated automatically based on publicly available data and proprietary estimation models. Estimated subscriber counts are derived from engagement patterns and should be verified through direct disclosure. Revenue estimates are based on known pricing and estimated paid subscriber counts. This report is for informational purposes only and should not be the sole basis for investment decisions.
Score based on available components only.
| Component | Score | Weight |
|---|---|---|
| Engagement Rate | 28/100 | 30% |
| Paid Subscriber Ratio | 50/100 | 25% |
| John Rubino's Substack |
| 23K |
| N/A |
| $5/mo |
| substack |