Methodology note
Ban fire and rehire: calculation note
Scenario estimate showing gross costs, offsets and behavioural uncertainty; not an official costing.
Central fiscal result
+GBP 0.8bn - Net public-finance impact in 2027-28
Low case: +GBP 0.1bn. High case: +GBP 4.0bn. Positive numbers are fiscal costs or borrowing pressure. Negative numbers are Exchequer savings or receipts.
Scenario and baseline
- Prohibit dismissal and re-engagement to impose worse terms except in genuine insolvency rescue.
- Baseline is current law and published official data unless stated.
- Private business costs are excluded unless they affect tax or procurement.
- Target year is 2027-28, with later years shown separately.
Affected population
- Unit is employers using dismissal-and-reengagement threats.
- Official affected count is not the whole economy.
- Public fiscal exposure comes through public employers and contracts.
- Distressed firms create the largest economic risk.
Gross impact
- ERA Table A10 gives fire-and-rehire cost around GBP 0.098bn EANDCB.
- Central adds public HR, tribunal and procurement costs.
- Employment/welfare risk is GBP 0.30bn central.
- Tax offsets are small and uncertain.
Fiscal build-up, central case
- Public-sector HR and legal costs: +GBP 0.15bn
- Tribunal and Acas capacity: +GBP 0.15bn
- Public procurement pass-through: +GBP 0.30bn
- Employment and welfare risk: +GBP 0.30bn
- Tax and NI offsets: -GBP 0.10bn
Central net impact: +GBP 0.8bn in 2027-28.
Behaviour and pass-through
- Low case assumes narrow abusive-use ban.
- Central assumes broader ban with rescue exception.
- High case assumes more redundancies and disputes.
- Firms may shift to layoffs or insolvency.
- No retention saving is deducted.
Phasing
- 2026-27: +GBP 0.2bn. Guidance and disputes.
- 2027-28: +GBP 0.8bn. Full ban applies.
- 2028-29: +GBP 0.9bn. Case law develops.
- 2029-30: +GBP 1.0bn. Restructuring adjusts.
Main source groups
- S1: S1 ERA Table A10: fire-and-rehire cost about GBP 98m EANDCB.
- S2: S2 Tribunal stats: enforcement capacity is constrained.
- S3: S3 WGA: public procurement creates pass-through exposure.
- S4: S4 Autor/Kerr/Kugler: constraints can reduce adjustment and productivity.
- S5: S5 ERA analysis: business costs are concentrated in flexible employers.