In many markets, such as video streaming or information services, a consumer may purchase multiple competing products or services. The existing theoretical literature typically assumes that each consumer can buy only one product. This paper explicitly models the consumer's multi-purchase...

In recent years, the rapid growth of peer-to-peer (p2p) ridesharing has significantly cut the market share and profitability for taxis, but taxis remain a major service provider in the personal-transportation service industry. This paper analytically examines a market with two segments of...

In recent decades, manufacturers have relied on giant retailers or e-tailers to distribute their products. Given this evolution, some retailers have started demanding a Profit-Margin-Guarantee contract (PMG contract), under which the manufacturer must ensure that the retailer’s profit margin...