Sienna Shankel

Articles: 17

Venture Capital and the Limits of Optionality

Capital Architecture, Climate, Finance, Systemic Risk, Venture Capital

Sienna Shankel
February 28, 2026

DOE Loans and the State as Capital of Last Resort

Capital Allocation, Climate, Institutional Behavior, Risk Governance

Sienna Shankel
February 25, 2026

When Forest Finance Becomes Sovereign Exposure

Climate, Finance, Institutional Behavior, Nature, Risk Transfer

Sienna Shankel
February 19, 2026

Disaster Risk Reduction Grants and the End of Market Pricing

Capital Architecture, Governance, Institutional Behavior, Systemic Risk

Sienna Shankel
February 14, 2026

Resilience Bonds: Financing What Cannot Be Observed

Avoided Loss, Capital Architecture, Climate, Finance, Risk Transfer

Sienna Shankel
February 6, 2026

Catastrophe Bonds: Risk Transfer Without Risk Reduction

Capital Architecture, Climate, Financial Stability, Risk Transfer, Systemic Risk

Sienna Shankel
February 2, 2026

Parametric Insurance: Speed Without Prevention

Climate, Finance, Insurance, Systemic Risk

Sienna Shankel
February 1, 2026

The Limits of Adaptation Credits in Climate Finance

Capital Architecture, Climate, Finance, Systemic Risk

Sienna Shankel
January 31, 2026

Payments for Ecosystem Services Expose the Limits of Contracted Nature

Capital Allocation, Climate, Nature, Systemic Risk

Sienna Shankel
January 30, 2026

REDD+: When Markets Encounter Governance

Climate, Finance, Governance, Institutional Behavior

Sienna Shankel
January 29, 2026