Using Causal Inference to Optimize Supply Chain Efficiency

Instruction: Propose a study to determine the causal effects of various supply chain interventions on delivery times and cost efficiency.

Context: This question tests the candidate's ability to apply causal inference in a business context, specifically within the complexities of supply chain management.

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First, let's clarify the objective: We aim to identify the causal impact of various interventions within the supply chain on two key outcomes - delivery times and cost efficiency. To embark on this study, it's paramount to start by defining our metrics clearly. For instance, "delivery times" could be operationalized as the number of days from order placement to delivery to the end customer, while "cost efficiency" might be assessed as the cost per delivery unit, which encompasses both direct and indirect costs associated with completing each delivery. To propose a study, I'd leverage a quasi-experimental design, known for its efficacy in settings where randomized control trials (RCTs) are impractical...

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