Table 1

Overview of S&OP parameters

Set-up parametersDefinitionS&OP blueprint
Planning objectThe level of detail with which S&OP is executed Kjellsdotter Ivert et al. (2015a) Aggregation at product-group level Grimson and Pyke (2007) 
Planning frequencyThe interval between two consecutive S&OP cycles Wallace and Stahl (2008) Granularity is monthly Wallace and Stahl (2008) 
Planning horizonThe amount of time a plan spans into the future Olhager and Johansson (2012) Typically 3–18 months, but up to 36 months Wallace and Stahl (2008) 
Planning levelsTactical planning at multiple organizational levels Lapide (2012) 
Process parametersDefinitionS&OP blueprint
S&OP inputsPlans, constraints and goals of the different departments that serve as inputs for S&OP activities Thomé et al. (2012) E.g. demand forecasts, maintenance plans, available production capacity, desired inventory levels Wagner et al. (2014) 
S&OP activitiesS&OP process steps Wallace and Stahl (2008) (1) Demand review
(2) Supply review
(3) Pre-S&OP
(4) Executive S&OP
Wallace and Stahl (2008) 
S&OP outcomeIntegrated plan and consensus among all departments of an organization Kjellsdotter Ivert et al. (2015a) 

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