Benjamin Rojas

A Newsvendor Model for Last-Mile Fleet Sizing

  • Benjamin Rojas
  • Homero Larrain
  • Mathias A. Klapp
  • Dipayan Banerjee
    • Categories Applications - OR and Management Sciences, Production and Logistics, Transportation Tags , , ,

    We study the tactical problem of determining a last-mile delivery fleet size while accounting for day-to-day uncertainty in the number and location of customer requests. An optimally sized fleet must balance the cost of contracting vehicles against the penalty costs of unserved customers: a larger fleet reduces the risk of unserved demand, but a smaller … Read more

    Strategic Sizing of Collection and Delivery Point Networks for Urban Parcel Distribution

  • Benjamin Rojas
  • Homero Larrain
  • Mathias A. Klapp
    • Categories Applications - OR and Management Sciences, Production and Logistics, Transportation Tags , , ,

    Collection and delivery points (CDPs) allow logistics operators to consolidate multiple customer delivery requests on a single vehicle stop, reducing distribution costs. However, for customers to adopt CDPs, they must be willing to travel to a nearby CDP to pick up their parcels. This choice depends on the customer’s personal preferences, the proximity of CDPs, … Read more