IB Business Management SL

2.2 – Organizational Structure | Human Resource Management | IB Business Management SL

Unit 2: Human Resource Management

2.2 - Organizational Structure

Understanding How Businesses Organize Their People and Operations

1. What is Organizational Structure?

Organizational structure is the formal framework by which job tasks are divided, grouped, and coordinated within an organization. It defines the hierarchy of authority, communication channels, and reporting relationships.

Key purposes:

  • Clarifies who reports to whom (chain of command)
  • Defines roles and responsibilities
  • Establishes communication channels
  • Facilitates coordination and control
  • Supports business strategy implementation

Key Concepts in Organizational Structure

1. Chain of Command

Definition: The unbroken line of authority that extends from the top of the organization to the lowest level, specifying who reports to whom.

  • Establishes formal reporting relationships
  • Defines communication flow
  • Clarifies decision-making authority

2. Span of Control

Definition: The number of subordinates directly supervised by a manager.

  • Narrow/Small span: Few subordinates per manager (e.g., 2-4 people)
  • Wide/Large span: Many subordinates per manager (e.g., 10-20 people)

Factors affecting span of control:

  • Complexity of tasks
  • Experience of employees
  • Geographic dispersion
  • Manager's capabilities
  • Technology available for communication

3. Hierarchy/Levels of Management

Definition: The number of layers of management from top to bottom in an organization.

  • Top management: CEO, President, Board of Directors
  • Middle management: Department heads, regional managers
  • Lower management: Supervisors, team leaders
  • Operational staff: Non-managerial employees

4. Delegation

Definition: The assignment of authority and responsibility from a superior to a subordinate to carry out specific activities.

  • Manager assigns tasks to employees
  • Employee gains authority to complete task
  • Manager retains ultimate accountability

5. Centralization vs. Decentralization

Centralization: Decision-making concentrated at top management levels

  • Head office makes most decisions
  • Little autonomy for lower levels

Decentralization: Decision-making dispersed to lower levels

  • Regional/departmental managers have authority
  • Greater autonomy for operational units

2. Types of Organizational Structures

A. Hierarchical (Tall) Structure

Definition: Traditional structure with many layers of management, narrow span of control, and clear chain of command.

Characteristics:

  • Many levels of hierarchy (pyramid shape)
  • Narrow span of control
  • Long chain of command
  • Clear authority lines
  • Centralized decision-making
  • Formal communication channels
📊 HIERARCHICAL/TALL STRUCTURE
CEO
VP Finance
VP Operations
VP Marketing
Manager 1
Manager 2
Manager 3
Manager 4
Staff
Staff
Staff
Staff
Staff
Staff

Many layers, narrow span of control

Advantages of Hierarchical Structure

  • Clear authority: Everyone knows who is in charge
  • Defined responsibilities: Clear job roles and expectations
  • Career progression: Obvious promotion ladder
  • Close supervision: Managers can closely monitor work
  • Specialization: Employees focus on specific tasks
  • Control: Tight management control over operations

Disadvantages of Hierarchical Structure

  • Slow communication: Messages pass through many layers
  • Expensive: Many managers increase salary costs
  • Bureaucratic: Rigid, inflexible, slow decision-making
  • Demotivating: Little autonomy for lower-level employees
  • Distance from customers: Top management far from frontline
  • Information distortion: Messages may be altered as they pass through levels

Examples of Hierarchical Organizations

  • Military organizations
  • Government agencies
  • Traditional manufacturing companies
  • Large banks

B. Flat (Horizontal) Structure

Definition: Structure with few levels of management, wide span of control, and short chain of command.

Characteristics:

  • Few management levels
  • Wide span of control
  • Short chain of command
  • Decentralized decision-making
  • Greater delegation
  • More autonomy for employees
📊 FLAT/HORIZONTAL STRUCTURE
CEO
Manager 1
Manager 2
Manager 3
Staff
Staff
Staff
Staff
Staff
Staff
Staff
Staff
Staff

Few layers, wide span of control

Advantages of Flat Structure

  • Fast communication: Fewer layers to pass through
  • Lower costs: Fewer managers reduces expenses
  • Empowerment: Employees have more responsibility and autonomy
  • Flexibility: Quick response to market changes
  • Motivation: Greater involvement increases job satisfaction
  • Better customer service: Decisions made closer to customers

Disadvantages of Flat Structure

  • Manager overload: Wide span means managers stretched thin
  • Limited supervision: Less close monitoring of employees
  • Unclear career path: Fewer promotion opportunities
  • Role confusion: May be unclear who has authority
  • Requires skilled employees: Workers need to be self-directed

Examples of Flat Organizations

  • Tech startups (Google, Facebook in early days)
  • Small businesses
  • Creative agencies
  • Valve Corporation (video game company with minimal hierarchy)

C. Organizational Structure by Function

Definition: Departments organized according to business functions (marketing, finance, operations, HR, etc.).

Characteristics:

  • Grouped by specialized function
  • Vertical structure within each function
  • Clear functional expertise
  • Most common structure
📊 FUNCTIONAL STRUCTURE
CEO
Marketing Director
Finance Director
Operations Director
HR Director
Sales Team
Advertising Team
Accounting
Treasury
Production
Quality Control
Recruitment
Training

Organized by business function

Advantages of Functional Structure

  • Specialization: Expertise concentrated in each function
  • Efficiency: Specialists work together, share knowledge
  • Clear career path: Advancement within function
  • Economies of scale: Resources shared within function
  • Coordination: Easy within each function

Disadvantages of Functional Structure

  • Slow decision-making: Requires coordination across functions
  • Functional silos: Departments become isolated, don't communicate
  • Limited perspective: Managers focus on function, not overall business
  • Conflict: Departments may compete for resources
  • Difficult accountability: Hard to assign blame for product failures

D. Organizational Structure by Product

Definition: Departments organized around different products or product lines, each with own functional teams.

Characteristics:

  • Separate divisions for each product
  • Each division has own marketing, operations, etc.
  • Semi-autonomous units
  • Common in large diversified companies
📊 PRODUCT-BASED STRUCTURE
CEO
Product A Division
Product B Division
Product C Division
Marketing
Finance
Operations
Marketing
Finance
Operations
Marketing
Finance
Operations

Each product has complete team

Advantages of Product Structure

  • Focus: Each division concentrates on its product
  • Accountability: Clear responsibility for product performance
  • Customer-oriented: Can tailor to specific product markets
  • Coordination: All functions work together for product
  • Innovation: Encourages product-specific innovation

Disadvantages of Product Structure

  • Duplication: Each division needs own support functions (costly)
  • Competition: Internal competition for resources
  • Economies of scale lost: Cannot share resources across products
  • Inconsistency: Different standards across divisions

Examples

  • Procter & Gamble (separate divisions for different consumer products)
  • General Motors (Chevrolet, GMC, Cadillac divisions)
  • Samsung (Electronics, Heavy Industries, Life Insurance divisions)

E. Organizational Structure by Region (Geographic)

Definition: Departments organized by geographic location or territory.

Characteristics:

  • Separate divisions for different regions/countries
  • Each region operates semi-independently
  • Common in multinational companies
  • Allows adaptation to local markets
📊 GEOGRAPHIC/REGIONAL STRUCTURE
Global CEO
North America
Europe
Asia-Pacific
USA
Canada
Mexico
UK
Germany
France
China
Japan
India

Organized by location/region

Advantages of Geographic Structure

  • Local responsiveness: Adapt to regional markets
  • Cultural sensitivity: Understand local customs
  • Faster service: Close to customers
  • Motivation: Regional managers have autonomy
  • Time zones: Operate in local time

Disadvantages of Geographic Structure

  • Duplication: Each region has own functions
  • Coordination challenges: Difficult to coordinate globally
  • Inconsistency: Different standards across regions
  • High costs: Maintaining separate regional operations

Examples

  • Coca-Cola (regional divisions worldwide)
  • HSBC (regional banking operations)
  • McDonald's (regional divisions with local menu adaptations)

F. Matrix Structure

Definition: Hybrid structure combining two or more organizational structures (typically functional and product/project), where employees report to multiple managers.

Characteristics:

  • Dual reporting relationships
  • Combines strengths of different structures
  • Project-based teams draw from functional departments
  • Complex but flexible
📊 MATRIX STRUCTURE
CEO
MarketingFinanceOperationsHR
Project ATeam MemberTeam MemberTeam MemberTeam Member
Project BTeam MemberTeam MemberTeam MemberTeam Member
Project CTeam MemberTeam MemberTeam MemberTeam Member

Employees report to both functional manager (vertical) and project manager (horizontal)

Advantages of Matrix Structure

  • Flexibility: Resources allocated as needed to projects
  • Efficient resource use: Specialists shared across projects
  • Innovation: Cross-functional teams bring diverse perspectives
  • Customer focus: Project teams dedicated to specific needs
  • Skill development: Employees gain broad experience
  • Quick response: Teams form rapidly for new opportunities

Disadvantages of Matrix Structure

  • Conflict: Dual reporting causes confusion and power struggles
  • Unclear authority: Who is really in charge?
  • High stress: Employees face competing demands
  • Slow decisions: Need consensus from multiple managers
  • Complex: Difficult to manage and coordinate
  • Costly: More managers required

Examples

  • Consulting firms (BCG, McKinsey)
  • Aerospace companies (Boeing, Lockheed Martin)
  • Pharmaceutical companies (project teams for drug development)
  • Large tech companies (Google, Microsoft for product development)

3. Organization Charts

What is an Organization Chart?

Organization chart (org chart) is a visual diagram showing the internal structure of an organization, including relationships, roles, and reporting lines.

Components shown:

  • Job positions/titles
  • Reporting relationships (who reports to whom)
  • Hierarchy levels
  • Departments/divisions
  • Span of control
  • Chain of command

How to Read an Organization Chart

Key elements:

  • Boxes: Represent positions or departments
  • Lines (vertical): Show reporting relationships (who reports to whom)
  • Lines (horizontal): Show positions at same level
  • Position on chart: Higher on chart = higher in hierarchy
  • Connected boxes below: Direct subordinates
📊 EXAMPLE ORGANIZATION CHART
Board of Directors
|
CEO
|
CFO
(Finance)
COO
(Operations)
CMO
(Marketing)
| | |
Accounting Manager
Treasury Manager
Production Manager
Quality Manager
Sales Manager
Brand Manager

Lines show reporting relationships, boxes at same level are peers

Benefits of Organization Charts

  • Clarity: Shows structure at a glance
  • Communication: Clear reporting lines
  • Accountability: Everyone knows responsibilities
  • Planning: Identify gaps or restructuring needs
  • Onboarding: Help new employees understand organization
  • Career paths: Show progression opportunities

Limitations of Organization Charts

  • Informal relationships: Don't show unofficial communication patterns
  • Static: Quickly outdated as organization changes
  • Power dynamics: Don't show influence vs. formal authority
  • Oversimplification: Complex organizations hard to represent
  • Rigidity: May discourage flexible collaboration

4. Comparison of Structures

Structure TypeBest ForMain AdvantageMain Disadvantage
Hierarchical/TallLarge, traditional organizationsClear authority, close supervisionSlow, bureaucratic
Flat/HorizontalSmall businesses, startupsFast communication, empowermentManager overload, limited career path
FunctionalSingle product companiesSpecialization, efficiencyFunctional silos
Product-BasedDiversified product linesProduct focus, accountabilityDuplication of resources
Geographic/RegionalMultinational companiesLocal responsivenessDuplication, coordination challenges
MatrixProject-based organizationsFlexibility, resource efficiencyDual reporting conflict, complexity

5. Factors Influencing Choice of Structure

Organizations choose structures based on various factors:

  • Size: Large organizations need more complex structures
  • Strategy: Structure must support strategic objectives
  • Technology: Routine tasks vs. complex creative work
  • Environment: Stable vs. dynamic market conditions
  • Products/services: Single vs. diversified offerings
  • Geography: Local vs. international operations
  • Culture: Formal vs. informal organizational culture
  • Life cycle stage: Startup vs. mature company

✓ Unit 2.2 Summary: Organizational Structure

You should now understand that organizational structure defines how work is divided, coordinated, and controlled through chain of command, span of control, hierarchy levels, delegation, and centralization/decentralization. The main types include hierarchical (tall with many levels and narrow span), flat (few levels with wide span), functional (organized by business function), product-based (organized by product line), geographic (organized by region), and matrix (dual reporting combining functional and project structures). Each structure has distinct advantages and disadvantages—hierarchical provides control but is slow, flat enables speed but risks manager overload, functional builds expertise but creates silos, and matrix offers flexibility but causes conflict. Organization charts visually represent structure showing reporting relationships and hierarchy, helping clarify roles and accountability. The choice of structure depends on size, strategy, products, geography, and environment, with no single best structure—effectiveness depends on fit with organizational needs and context.

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