Shivaram Subramanian

Demand Modeling in the Presence of Unobserved Lost Sales

  • Pavithra Harsha
  • Shivaram Subramanian
    • Categories Applications - OR and Management Sciences Tags ,

    We present an integrated optimization approach to parameter estimation for discrete choice demand models where data for one or more choice alternatives are censored. We employ a mixed-integer program (MIP) to jointly determine the prediction parameters associated with the customer arrival rate and their substitutive choices. This integrated approach enables us to recover proven, (near-) … Read more

    A Practical Price Optimization Approach for Omni-channel Retailing

  • Markus Ettl
  • Pavithra Harsha
  • Shivaram Subramanian
    • Categories Applications - OR and Management Sciences Tags , , , , ,

    Consumers are increasingly navigating across sales channels to make purchases. The common retail practice of pricing channels independently is unable to achieve the desired profitable coordination required between channels. As part of a joint partnership agreement with IBM Commerce, we engaged with three major retailers over two years, and developed advanced omni-channel pricing (OCP) solutions … Read more