Party Leadership Pressure Model | Canadian Parliamentary Crisis Simulator

Simulation Scenarios Bruce Baker Thesis

Trump Trade Escalation Intensity 0.85

Tariff war severity & cross-border economic coercion forcing voter flight to risk mitigation

Harper-Era Moderate Defection 0.42

Rate at which suburban moderate Tories reject far-right messaging in favor of Carney's technocratic core

Voter Stability Preference Index 0.78

Electorate propensity to hold noses and consolidate around incumbent governing continuity

Poilievre Grassroots Base Retention 0.68

Commitment to far-right populist base mobilization versus broad centrist suburban outreach

Lewis Riding Absence & Single-Issue Penalty 0.35

Voter penalty for bypassing urban ridings (Beaches-East York) & climate-only framing

Reform Act Revolt Threshold (%) 50%

Statutory caucus threshold to trigger mandatory secret-ballot leadership review

Reform Act & By-Election Context

Under the Canadian Reform Act (2014), party caucuses possess the legal instrument to trigger a leadership vote if written notice signed by at least 20% of MPs is submitted, followed by a majority secret vote. When by-election defeats demonstrate suburban vote hemorrhage, moderate MPs mobilize against populist leadership to save their seats.

Avi Lewis NDP Dilemma: Lewis's failure to contest Beaches-East York leaves the party seatless at the leadership level, depriving the NDP of parliamentary question-period leverage while urban working-class voters bleed toward Carney's Liberals.

CPC Caucus Dissent

64.2%

Revolt Risk: Critical (Active)

Carney Resilience Index

82.5/100

Stability Mandate: Secure Majority

NDP Vote Retention

38.4%

Single-Issue Attrition

Reform Threshold

true

Breach State (50% Req)

Parliamentary Caucus Alignment Chamber House of Commons Seat Map

Carney Liberals (Stability Gov) Poilievre Loyalists CPC Dissenting Caucus Lewis NDP Faction Bloc / Other

Voter Migration Vectors (Post-By-Election Flow)

Suburban Moderate CPC → Carney LPC

42%

Working-Class NDP → Carney LPC

61.6%

Poilievre Grassroots Base Enclave

68%

Leadership Durability Matrix Deterministic Parliamentary Evaluation

Leader & Party	Electoral Posture	Caucus Status	Survival Probability	Strategic Failure Point
Pierre Poilievre (CPC)	Grassroots Retrenchment	Revolt Triggered	35.8%	Harper-era suburban seat collapse to Carney
Mark Carney (LPC)	Crisis Stability Mandate	Majority Resilient	82.5%	Trade war shock absorption fatigue
Avi Lewis (NDP)	Single-Issue Climate Activism	Severe Deficit	38.4%	Bypassed Beaches-East York; lacking Commons seat