Topic One

  1. Theory of the Firm (Coase 1937)
    Firms are established because it is profitable to do so.

    Firms organise to reduce the transaction costs of repeated and complicated activities involved in creating, selling and distributing goods and services.
  2. Contract and Agency Theory (Fama 1980, Jensen, Meckling)
    There are costs in using the price mechanism; firms can save costs.

    Most obvious cost of organising production through price mechanism is negotiating and writing a contract.

    Ownership of a firm is seperate from its management as postulated in Agency Theory.
  3. Drivers of Business and Information Systems Change
    Globalisation

    Deregulation

    Advances in technology (Metcalfe's Law, Moore's Law)

    Outsourcing and downsizing
  4. Business Pressures and Responses
    Pressure on business

    Organisational response

    Contracting relationships

    Information systems ERP, intranet, external

    Demand for new technologies

    Network/Internet advances

    (repeat/cycle)
  5. System
    Set of two or more interrelated components interacting to achieve a goal.
  6. Goal Conflict
    Occurs when components act in their own interest without regard for the overall goal.
  7. Goal Congruence
    Occurs when components acting in their own interest contribute toward the overall goal.
  8. Data
    Facts that are collected, recorded, stored and processed.

    Insufficient for decision making.
  9. Information
    Processed data used in decision making.

    Too much information makes decision making harder (Data/Information overload)
  10. Value of Information
    • Benefits
    • - Reduce uncertainty
    • - Improve decisions
    • - Improve planning
    • - Improve scheduling

    • Costs
    • - Time and resources
    • - Produce information
    • - Distribute information
  11. Useful Information Characteristics
    • Relevant
    • Reliable
    • Existence
    • Valid
    • Complete
    • Timely
    • Measurable
    • Understandable
    • Verifiable
    • Accessible
  12. Transaction
    Agreement between two entities to exchange goods or services.

    Affects the financial position of the business.

    Can be reliably recorded.

    'Give-get' exchange
  13. Accounting Information Systems
    Simple = pencil and paper

    Complex = State of the art system, latest computers and information technology.

    (Same process)
  14. Components of AIS
    People using the system

    Procedures and instructions (For collecting, processing and storing data)

    Data

    Software

    Information Technology Infrastructure (Computers, peripherals, networks...)

    Internal Control System (Safeguard system and data)
  15. AIS Value Added
    • Improve...
    • - Quality and reduce costs
    • - Efficiency and effectiveness
    • - Sharing knowledge
    • - Supply chain
    • - Internal control
    • - Decision making
  16. Improve Decision Making
    Identify situations that require action.

    Reduce uncertainty.

    Provide alternative choices.

    Provide feedback on previous decisions.

    Provide accurate and timely information.
  17. Value Chain
    • Primary Activities
    • - Inbound logistics
    • - Operations
    • - Outbound logistics
    • - Marketing Sales
    • - Service

    • Support Activities
    • - Firm infrastructure
    • - Human resources
    • - Technology
    • - Purchasing
  18. Data Inout - Capture
    Each activity of interest

    Resource(s) affected by each activity

    People who participate in each activity
  19. Data Input - Accuracy and Control
    • Accurate
    • - Provide instructions and prompts
    • - Check boxes
    • - Drop down boxes

    • Control
    • - Internal control support
    • - Pre-numbered documents
  20. Data Storage
    • Paper-based
    • - Ledgers
    • - Journals

    • Computer-based
    • - Entity
    • - Attributes
    • - Fields
    • - Records
    • - File (Transaction, Master, Database)
  21. Ledgers
    • General
    • - Summary level data for each (Asset, liability, equity, revenue and expense)

    • Subsidiary
    • - Detailed data for a General Ledger (Control) Account that has individual sub-accounts (A/R, A/P)
  22. Journals
    • General
    • - Infrequent or specialised transactions

    • Specialised
    • - Repetitive transactions (sales...)
  23. Coding Techniques
    • Sequence
    • Group
    • Mnemonic
    • Chart of Accounts (Block coding)
  24. Data Processing
    Create new data records

    Read, retrieve or view existing data records

    Update existing stored data records

    Delete data or records
  25. Enterprise Resource Planning (ERP) Integration Systems
    • Financial
    • Human resources and payroll
    • Order to cash
    • Purchase to pay
    • Manufacturing
    • Project Management
    • Customer relationship management
    • System tools
  26. Enterprise Resource Planning (ERP) Advantages
    Integration of organisation's data and financial information

    Data is captured once

    Greater management visibility, increased monitoring

    Better access controls

    Standardises business operating procedures

    Improved customer service

    More efficient manufacturing
  27. ERP Disadvantages
    Cost

    Time-consuming to implement

    Changes to an organisations existing business processes can be disruptive

    Complex

    Resistance to change
Author
Lea_
ID
328089
Card Set
Topic One
Description
Topic One
Updated