This paper examines search across competing e-commerce sites. By analyzing panel data from over 10,000 Internet households and three commodity-like products (books, compact discs (CDs), and air travel services), we show that the amount of online search is actually quite limited. On average,...

This study examines over 500 campaigns from the first six years of interactive TV (iTV) advertising in the United Kingdom, the market with one of the world's highest interactive digital TV penetration rates (90% of households). The study examines the effect on the interactive response rate of 96...