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Leverage Simulation to Improve Capacity Planning

Monte Carlo simulation is a powerful tool that can be leveraged to improve forecast outcomes and enhance capacity planning for contact centers. Traditionally, contact centers rely on fixed inputs for call volume, handle time, shrinkage, occupancy, and attrition to plan their overall capacity. However, these fixed inputs may not accurately capture the uncertainties and variability inherent in the contact center environment. By using Monte Carlo simulation, contact centers can incorporate a range of inputs and statistical distributions to generate a range of outputs for the full-time equivalent (FTE) required to serve the demand (Roh et al., 2009).

One of the key advantages of Monte Carlo simulation is its ability to simulate uncertainties in long-term resource planning. In a study on market-based generation and transmission planning with uncertainties, applied Monte Carlo simulation and scenario reduction techniques to explicitly address demand growth uncertainties and random outages of generating units and transmission lines. This approach allowed for a more comprehensive assessment of the uncertainties involved in long-term resource planning (Roh et al., 2009).

Monte Carlo simulation has also been applied in various other domains to improve forecasting accuracy. For example, in the field of project management, used Monte Carlo simulation to compare the performance of reference class forecasting (RCF) with other traditional forecasting methods. The study demonstrated the practical relevance of RCF by applying it to a real-life finishing construction project. By comparing RCF with baseline estimates and Monte Carlo simulation, the researchers were able to quantitatively evaluate the effectiveness of RCF in project forecasting (Batselier & Vanhoucke, 2016).

Furthermore, Monte Carlo simulation has been used in the context of streamflow drought forecasting, coal mining, COVID-19 hospital bed occupancy prediction, and plate waste forecasting, among other applications. In each of these studies, Monte Carlo simulation allowed for the incorporation of uncertainties and variability in the forecasting process, leading to more accurate and robust predictions (Dehghani et al., 2013; Fuksa, 2021; Heins et al., 2022; Kodors et al., 2022).

Monte Carlo Simulation
Monte Carlo Simulation

At WFM Labs, we have pioneered a methodology that effectively integrates Monte Carlo simulation with contact center capacity planning. Our approach leverages statistical robustness and introduces a risk-rating dimension, offering a more holistic view of planning in uncertain environments. This framework provides a more resilient and adaptable alternative to traditional, often fragile, capacity plans.

The utility of Monte Carlo simulation for enhancing forecast accuracy and capacity planning has been substantiated across a range of fields. If you have questions or want to deepen your understanding of how Monte Carlo simulation could be applied to contact center capacity planning, Ted Lango is available for a 30-minute virtual coffee chat.


  • Batselier, J. and Vanhoucke, M. (2016). Practical application and empirical evaluation of reference class forecasting for project management. Project Management Journal, 47(5), 36-51. Link

  • Dehghani, M., Saghafian, B., Saleh, F., Farokhnia, A., & Noori, R. (2013). Uncertainty analysis of streamflow drought forecast using artificial neural networks and monte-carlo simulation. International Journal of Climatology, 34(4), 1169-1180. Link

  • Fuksa, D. (2021). A method for assessing the impact of changes in demand for coal on the structure of coal grades produced by mines. Energies, 14(21), 7111. Link

  • Heins, J., Schoenfelder, J., Heider, S., Heller, A., & Brunner, J. (2022). A scalable forecasting framework to predict covid-19 hospital bed occupancy. Informs Journal on Applied Analytics, 52(6), 508-523. Link

  • Kodors, S., Zvaigzne, A., Litavniece, L., Lonska, J., Silicka, I., Kotane, I., … & Deksne, J. (2022). Plate waste forecasting using the monte carlo method for effective decision making in latvian schools. Nutrients, 14(3), 587. Link

  • Roh, J., Shahidehpour, M., & Wu, L. (2009). Market-based generation and transmission planning with uncertainties. Ieee Transactions on Power Systems, 24(3), 1587-1598. Link

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