A Pension Mandate: Exclusions, Tracking Error, and a Single 'Temperature Alignment'
A €1.2bn European equity mandate for a pension scheme has an IPS that excludes tobacco, controversial weapons, and companies deriving more than 5% of revenue from thermal coal; a tracking-error budget of 100bp versus a broad benchmark; and quarterly reporting. The board also wants 'alignment with the Paris Agreement' and has asked the manager to report a single portfolio 'ESG score' and a 'temperature alignment' figure. The benchmark holds 1,600 names with 2.8% in excluded names and has no ESG tilt. Current portfolio tracking error is 85bp; the ESG score is 0.3 points above benchmark; three engagements closed with 'targets set'. The consultant asks why exclusions cost 40bp of performance last year.
1. Critique the requested reporting set and propose what is decision-useful instead.
Read the worked answer
The two headline numbers fail the usefulness test in different ways.
- Single ESG score: provider methodologies diverge, coverage is partial (especially for smaller names), and the score aggregates issues with opposite financial signs. A 0.3-point improvement is not interpretable as risk reduction or as alignment with the client's exclusions.
- Temperature alignment: usually derived from issuer targets and sector pathways, not from validated capex. It is model-dependent, sensitive to pathway choice, and can be gamed by target-setting. A single portfolio figure conceals sector concentration.
Propose instead:
- Exclusion compliance: holdings and revenue thresholds, with the breach process.
- Carbon metrics: footprint, WACI, and financed emissions with stated scope and coverage.
- Sector-level alignment: capex vs pathway for the top emitting sectors, not one portfolio number.
- Engagement: milestone status and votes, not 'targets set'.
- Risk: tracking error and active share, with exclusions effect decomposed.
Report methodology, coverage, and limitations on the same page as the number.
2. The client wants Paris alignment, a 100bp tracking-error budget, and full exclusions. How do you manage the tension?
Read the worked answer
Make the trade-off explicit rather than promising all three at once.
Diagnose: the 2.8% excluded weight is small, so the exclusions alone do not consume the TE budget - the 85bp current TE shows the portfolio already uses most of it for active positions. Adding sector-level Paris alignment (underweighting high-carbon sectors, tilting to transition capex) will add TE, and the exclusions remove names the manager might otherwise hold for risk control.
Process:
- Build a custom benchmark or a stated exclusions-neutral reference so TE is measured against an investable universe the client actually wants.
- Show a feasibility frontier: TE vs alignment strength. Ask the board to choose a point, not to assume all constraints are free.
- Deliver Paris alignment through sector pathways and engagement/ escalation, which cost less TE than a broad carbon tilt.
- Document the decision and revisit annually.
Why: an unexamined 100bp budget will be breached by the first sector rotation, and the manager will be blamed for a constraint the client set without pricing.
3. How should the manager report the 40bp exclusion cost and the three 'targets set' engagements?
Read the worked answer
Both should be reported as evidence, with the counterfactual stated - not as a defence.
Exclusions attribution:
- Decompose the 40bp: which excluded names, which periods, and whether the effect is a sector or a stock effect. Tobacco and coal are concentrated bets; a one-year number can be noise.
- Show cumulative effect over 1, 3, and 5 years and against the exclusions-neutral reference. State that the mandate was accepted with this cost in mind, and that the client's objective is values alignment, not benchmark replication.
- Do not claim ESG exclusions 'add' performance; report the opportunity cost honestly.
Engagement reporting:
- 'Targets set' is a milestone, not an outcome. Add: scope of the target, whether it is validated, the date, and the escalation path if missed.
- Report closed and failed engagements with the same prominence.
- Separate engagement activity from portfolio performance; do not imply causality.
Principle: the report should let the trustee answer 'what did we get for the constraint and the fees' without relying on a score.