Britain's Summer Productivity Diagnostic & Sector Simulator

Scenario Controls

Primary UK Sector

Baseline Summer Dip Severity: -6.4%

OECD Benchmark Country

Workplace & Structural Reforms

Staggered Regional School Holidays (+2.1% recovery) Annualized Hours Contracts (+1.8% capacity) Asynchronous Project Handover Protocols (+1.4% velocity) Scheduled Capital Maintenance Downtime (+0.9% efficiency)

Jul-Aug Output Gap

-1.1%

+5.3% mitigated

Active Labor Capacity

82.4%

During peak leave weeks

Critical Backlog Delay

4.8 days

-6.2 days vs base slump

Annualized GDP Impact

-£3.2B

£4.1B retained

Monthly Productivity Index (Base 100 = Annual Average)

— Unmitigated UK Slump — Simulated Reformed Output — OECD Benchmark Shaded: Q3 Summer Slump

Cross-Country Structural Diagnostics & Sector Sensitivity

Country / Model	Aug Staffing Dip	Avg Delay Impact	Structural Strategy