This paper focuses on one of the most important digital platform sectors—E-commerce—addressing the antitrust enforcement, comparing it with new regulatory approaches, learning from experiences in the US, EU, China, and Japan. E-commerce is shown to have distinct characteristics, as compared...

This paper estimates the magnitude and distribution of surplus from the knowledge worker gig economy using data from an online labor market. Labor demand elasticities determine workers' wages, and buyers' past market experience shapes both their job posting frequency and hiring rates. We find...

Merely seventeen years old in the U.S. market, electronic commerce (e-commerce) sales continue to grow rapidly on an annual basis. At the macro level, U.S. e-commerce sales for 2010 totaled $166.5 billion. Although this total is impressive, it represents only 4.28 percent of the total of U.S....