Notes from the field.
Peer-reviewed research, original articles, anonymized case studies, and our annual flagship reports — written by the same people who lead client engagements.
Mental Parity Testing in 2026: What Carriers Are Still Getting Wrong
The NQTL standard has moved faster than most compliance playbooks. A practitioner's view of what defensible analysis actually looks like.
Carbon Markets After the Voluntary Reset — A Practitioner's Lens
Three pricing regimes are emerging across compliance and voluntary carbon markets. Long-horizon investors don't have to pick one — but they do have to plan for all three.
Lepton ESG Factor Review — 2026 Edition
Annual review of ESG factor performance, integration approaches, and emerging market structure across global capital markets.
When Equity Studies Stall: A Checklist for Public-Sector Analysts
Most disparity projects fail at the data intake stage. A short field guide to avoiding the five most common traps.
The Lepton Health Equity Index — 2026 Edition
Our flagship annual report on disparities in healthcare access, financial protection, and outcomes across U.S. states and select global markets.
P&C Reserve Volatility in a Non-Stationary Medical Inflation Regime
Workers' compensation and bodily injury reserves are showing more volatility than in any cycle since the early 2000s. Why traditional tail-factor calibration is breaking down.
Rebuilding a Medicaid Pricing Framework from First Principles
A multi-state Medicaid managed-care organization needed pricing methodology that could withstand state DOI review across 7 jurisdictions. We rebuilt the framework end-to-end.
A Climate-Aware Glide Path for Long-Duration Liabilities
A public pension fund wanted to reduce forward carbon intensity without taking tracking-error risk against its liability benchmark. We built the framework.
Mental Parity Compliance, Translated into Operational KPIs
A state insurance department needed to bring 6 commercial carriers into documented MHPAEA compliance — within a single quarter.
Do Targeted Intergovernmental Fiscal Transfers Improve Health Outcomes? Evidence from Kenyan Decentralization
A difference-in-differences analysis of the impact of Kenya's 2013 devolution on health outcomes — and what it implies for fiscal federalism in health systems globally.
Reimagining Generative ESG Indexes and Market Interconnectedness
A peer-reviewed framework for constructing ESG indexes that better capture the dynamic relationship between sustainability commitments and market returns.
Health System Lessons from the Global Fund-Supported Procurement and Supply Chain Investments in Zimbabwe
A mixed-methods evaluation of how Global Fund procurement and supply chain investments shape health system performance in Zimbabwe.
Interpersonal Violence Against Women and Maternity Care in Migori County, Kenya
Cross-sectional survey evidence on the relationship between interpersonal violence against women and maternal healthcare utilization.
CDS-Implied Risk of U.S. Delinquency: Implications for the U.S. Debt Ceiling
A structural credit risk approach to extracting market-implied probabilities of U.S. sovereign delinquency from credit default swap pricing.
Heterogeneities in Energy Technological Learning: Evidence from the U.S. Electricity Industry
Empirical analysis of how technological learning varies across firms and technologies in U.S. electricity generation — with implications for renewable transition policy.
Optimal Commitment Strategies for Distributed Generation Systems Under Regulation and Multiple Uncertainties
A model assessing economic and policy implications of microgrid adoption under regulatory and demand uncertainty.