What were the fundamental objectives of BMAC in their decision problem

MGT9703: Managerial Decision Making

Reassessment 1b: Case Study - BMAC Research & Development Decision

For the reassessment – please rework your original submission(s) including the issues raised by your feedback. That work will be capped at 50% pass mark (if this is a reassessment or uncapped if it is a ‘first attempt’). For example, if you have been granted mitigating circumstances, then the work will be marked on the full marking range. 

Following on from what you have learnt about the key elements of decision problems and Structuring/Modelling Decision Problems from your readings and lectures, this activity provides you with the opportunity to apply your knowledge to a case study on BMAC research and development (R & D) decision problem. 

Read the BMAC research & development (R & D) decision case study below and address the following questions related to the case study (Approximately 500 words in total, excluding diagrams and references).

(1)  What were the fundamental objectives of BMAC in their decision problem

(2)  Construct an influence diagram to represent BMAC’s decision problem

(3)  Construct a decision tree to represent BMAC’s decision problem

(4)  Reflect on the roles that the two diagrams play in helping to understand/clarify and communicate the structure of BMAC’s decision problem? 

(5)  Briefly discuss at least one example from your reading of the academic literature (published journal articles) in which influence diagrams or decision trees have been applied to structure a decision problem. Provide appropriate references in Harvard referencing format. 

Case study: BMAC Research & Development decision

BMAC, a research and development (R & D) company, must decide whether to spend $2 million to continue with a particular drug development research project. The success of the project (as measured by obtaining a patent) is not assured, and at this point the decisionmaker judges only a 65% chance of getting the patent. If the patent is awarded, the company can either license the patent for an estimated $25 million or invest an additional

$10 million to create a production and marketing system to sell the product directly. If the company chooses the latter, it faces uncertainty of demand (categorized as high, medium or low demand) and associated profit from sales. The probabilities of the three levels of demand and associated revenues are summarised on the Table below.


Probability                                   Revenue ($M)


Demand High




Demand Medium




Demand Low




It is possible to construct the decision trees required in the assignment manually or by hand (i.e., without the need for specialised software).

However, you can optionally use an Excel Add-in to construct decision trees (I strongly encourage you to try it). Follow the link below for YouTube instructions on downloading a free Excel add-in for decision trees.


Alternatively, you may use online diagram software such as diagrams.et (link below) to construct decision trees and a wide range of other types of diagrams. diagrams.net (formerly draw.io) is a free online diagram software:


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