Lecture 7A: Theories to explain business value of EA

Question 1

Business Value of EA; why do we use EA?

Answer 1

EA methods trigger and support shared alignment processes in a firm on (IT) strategy

Question 2

What are the three main theories to explain effects of EA?

Answer 2

• Resource based view (EA method & models help to acquire key resources) (RBV)
• Decision theory (EA method and models help to make better decisions)
• Technology acceptance (EA method and tools are technologies” & “technologies only bring value if used) (TAM)

Question 3

Tamm et al: What is the EABM

Answer 3

• EA benefits Model

Proposes that EA leads to organisational through its impact on four benefit enablers

Question 4

What are the four benefit enablers from EABM (tamm et al)?

Answer 4

• Organisational Alignment
• Information availability
• Resource Portfolio Optimisation
• Resource Complementarity

Question 5

EABM RBV model, what are the three main boxes (graph)?

Answer 5

• EA service provision resources
• EA enabled Organisational planning
• Business value from EA

Question 6

(Legner) When does EAM add value?

Answer 6

Only adds value if an organization develops four second-order EAM capabilites

Question 7

(Legner) What are the four second-rder EAM capabilites?

Answer 7

1. EA modeling
2. EA planning
3. EA implementation
4. EA governance

Question 8

What is the main conclusion from the research of Boh and Yellin?

Answer 8

The user of EA standards is effective in helping organizations to better manage their IT resources.

Question 9

(Boh and yellin) What are the four EA governance mechanisms of horizontal IT governance?

Answer 9

1. Defining the key architecture roles
2. Involving key stakeholder throughout liaison roles and direct communication
3. Institutionalizing monitoring processes for setting and using EA standards
4. Centralizing IT decision making

Question 10

What is EAM?

Answer 10

Enterprise Architecture Management

Question 11

What are the three different areas of EAM? (lange et al)

Answer 11

• EAM products
• EAM infrastructure
• EAM services

Question 12

What are the four products of EAM products? (lange et al)

Answer 12

1. as-is-architecture
2. to-be-architecture
3. roadmap
4. EA Principles

Question 13

What is a characteristic that is important for EA principles? (legner)

Answer 13

That it is understandable by key stakeholders