MBA theories, concepts and models starting with an R:

• RACI
• Random Error
• Rapid Application Development
• Rapid Planning Method
• Rapid Problem Resolution
• RASCI
• RATER Model
• Rationality
• RCA
• Real Options
• Real Ratio
• Reasoning
• Receiving Criticism
• Receiving Feedback
• Recover From A Setback
• Recovering
• Reduction
• Redundancy
• Reengineering
• Referent Power
• Reflective Urgency
• Refusing A Request
• Regional Marketing
• Relational Capital
• Remanufacturing
• Remote Management
• Remote Working
• Remuneration
• Rendanheyi Model
• Reorganization
• Requirement Creep
• Requirements Prioritization
• Resignation
• Resilience
• Resistance to Change
• Resources
• Resources-Processes-Values Framework
• Responsibility Assigment
• Restraining Forces
• Restructuring
• Result Planning Method
• Retention Rate
• Retention Ratio
• Retroductive Reasoning
• Returns to Scale
• Reverse Logistics
• Reward Management
• Reward Power
• Rhetoric
• RICE Score
• Risk Appetite
• Risk Attitude
• Risk Management
• Risk Threshold
• Risk/Reward Tradeoff
• Risk-Return Tradeoff
• Rogers' 5 Factors
• Rogers Innovation Model
• Rolling Forecast
• Root Cause Analysis
• Root Cause Diagram
• RPV Framework
• Rumination

Total: 63