The coefficients for IRPD and ERPD are significant: 2.36 and 2.78, respectively.
For saltine crackers the coefficients (0.71) for IRPD under a stockout condition is smaller than the coefficient (1.46) under a non-stockout condition.
For saltine crackers, the coefficients for ERPD and IRPD under stockout are 1.21 and 0.71.
The coefficients for ERPD and IRPD under no stockout condition are 1.96 and 1.46 for saltine crackers, and 2.89 and 2.56 for baking chips.
For saltine crackers, the coefficients of IRPD for deal-prone and non-deal-prone consumers are 1.46 and 0.82.
For deal-prone consumers, the coefficients for ERPD and IRPD are 1.82 and 1.46, for saltine crackers, and 3.28 and 2.76 for baking chips.