The Credit Card Product: Economics & Ecosystem
How credit cards work, who profits, and why the risk is two-sided
How credit card products work, how portfolios are built, and how risk is managed from first principles.
Customer Segmentation: Who's in Your Portfolio?
Transactors, revolvers, hibernators, and defaulters — the four archetypes that shape portfolio economics
Product Lifecycle & Lifecycle Management
From underwriting to recovery — the full arc of a credit card account
Portfolio Metrics: What to Measure at Every Stage
The KPI framework for managing a credit card book from acquisition to charge-off
Portfolio Management Strategies
The levers that drive profitability, control risk, and extend account relationships
Risk Models & Analytics
Scoring, vintage analysis, roll rates, and CLTV — the quantitative foundation of portfolio management