Managing inventory with cash register information : sales recorded but not demands

Alain Bensoussan (Naveen Jindal School of Management, University of Texas at Dallas, Richardson, TX; College of School of Engineering, Department SEEM, The City University of Hong Kong, Hong Kong), Metin Çakanyildirim (Naveen Jindal School of Management, University of Texas at Dallas, Richardson, Texas, USA), Meng Li (Charlton College of Business, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts, USA), Suresh P. Sethi (Naveen Jindal School of Management, University of Texas at Dallas, Richardson, Texas, USA)