| Notation | description |
| c | Manufacturing cost |
| w | Wholesale price |
| a | Basic potential market demand |
|
| Price competition parameter (online-offline) |
|
| Price competition parameter (online-online) |
|
| Price online of manufacturer |
|
| Price offline of retailer |
|
| Price online of retailer |
|
| Showrooming effect coefficient |
| t | Manufacturer’s share in the online market |
| s | Sales effort level |
| k | Sales effort cost coefficient |
|
| Bargaining power of manufacturer |
|
| Bargaining power of retailer |
|
| Online demand for manufacturer |
|
| Offline demand for retailer |
|
| Online demand for manufacturer |
|
| Manufacturer profit |
|
| Retailer profit |
|
| Supply chain profit in centralized mode |
|
| Supply chain profit in decentralized mode |
|
| Supply chain profit in coordination mode |