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MIS vs. DSS

MIS vs. DSS. Management Information Systems vs. Decision Support Systems. MIS: The Big Picture. MIS provides information about the performance of an organization Think of entire company (the firm) as a system. An MIS provides management with feedback. MIS: The Big Picture.

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MIS vs. DSS

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  1. MIS vs. DSS Management Information Systems vs.Decision Support Systems

  2. MIS: The Big Picture • MIS provides information about the performance of an organization • Think of entire company (the firm) as a system. • An MIS provides management with feedback

  3. MIS: The Big Picture The FirmProcessing Input: Raw Materials, Supplies, Data, etc. Output: Products, Services, Information etc. MIS Managers, VPs, CEO

  4. MIS: Feedback for a Firm • Q: How are we doing? • A: Look at the report from the MIS • Generic reports: Sales, Orders, Schedules, etc. • Periodic: Daily, Weekly, Quarterly, etc. • Pre-specified reports • Obviously, such reports are useful for making good decisions.

  5. MIS Periodic reports Pre-specified, generic reports DSS Special reports that may only be generated once May not know what kind of report to generate until the problem surfaces; specialized reports. How is a DSS different?

  6. MIS vs. DSS: Big Differences • In a DSS, a manager generates the report through an interactive interface • Flexible & Adaptable reports • DSS Reporting is produced through analytical modeling, not just computing an average, or plotting a graph. • Business Models are programmed into a DSS

  7. Types of Decisions

  8. MIS vs. DSS: Another Difference TPS DSS OperationalManagement Decisions TacticalManagement Decisions StrategicManagement Decisions EIS MIS

  9. The People Board of Directors Chief Executive Officer President Decisions Develop Overall Goals Long-term Planning Determine Direction Political Economic Competitive Strategic Management

  10. People Business Unit Managers Vice-President to Middle-Manager Decisions short-medium range planning schedules budgets policies procedures resource allocation Tactical Management

  11. People Middle-Managers to Supervisors Self-directed teams Decisions short-range planning production schedules day-to-day decisions use of resources enforce polices follow procedures Operational Management

  12. Information Characteristics Decision Structure Ad HocUnscheduledSummarizedInfrequentForward LookingExternalWide Scope Unstructured Strategic Management Semi-structured Tactical Management Pre-specifiedScheduledDetailedFrequentHistoricalInternalNarrow Focus Operational Management Structured

  13. MIS vs. DSS

  14. What is Analytical Modeling? Examples • Supply Chain Modeling – Simulate what would happen if you reduced your inventory? • How many items would go out of stock? • How much would you save? • Is reducing inventory a good thing?

  15. More Modeling Price Point Modeling – model what would happen if you lowered or raised the price of your product • uses information about • your customers income and • your competitors prices • uses well-know supply and demand models

  16. Typical MIS Reporting • Periodic Scheduled Reports • Example: Monthly Financial Statements • Exception Reports • Example: List of items out of stock • These reports contain information but they might not directly help you determine the best decision to make.

  17. More MIS Reports • Demand Reports and Responses • Available whenever a manager needs them, updated in real-time. • Push Reporting • Information is pushed to a managers computer • Example: Report is pushed every time a supplier is late with a shipment • MIS Reporting is all about giving managers feedback and doesn’t necessarily help directly with decision making.

  18. How is DSS reporting different? • Modeling helps predict the outcome of a decision. • This directly helps you make a decision • Possibly an optimal decision • With a DSS you can explore possible alternatives.

  19. Analytical Modeling is the key

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