Many markets that have traditionally relied on collocation of buyers, sellers, and products have introduced electronic channels. Although these electronic channels may provide benefits to buyers and sellers by lowering the transaction costs of participating in the market, there are trade-offs...

Imbalances in supply and demand often cause the price for the same good to vary across geographic locations. Economic theory suggests that if the price differential is greater than the cost of transporting the good between locations, then buyers will shift demand from high-price locations to...