Market Entry in E-Commerce

We analyze the behavior of start-ups in e-commerce, namely on Austria's leading price-comparison-site, a multi-product environment with almost complete information. We use weekly panel data on price-quotes of digicams, Audio/HiFi-equipment and hardware. We furthermore use advanced estimation methods, which, having only recently been introduced to IO, aim at using a minimum of modeling assumptions. Thus, being able to trace the behavior of roughly 350 start-up companies and 600 incumbents, we investigate whether start-ups have a different composition of product-portfolios, charge lower prices and offer fewer goods.