Platforms may give preferential treatment to their own products in search results. Whether and how to regulate this self-preferencing behavior is an intensely debated antitrust issue. This paper identifies self-preferencing and quantifies its equilibrium welfare effects in Apple App Store. I...

Water quality regulation—the laws and policies that seek to prevent or limit pollution of waterbodies and drinking water—vary across a number of structural features and substantive goals and purposes. The focus of water pollution law, for example, can be ambient water quality or sources of...

Using a novel firm level data set from a garment manufacturer in Pakistan we investigate the effect of a new quality management monitoring practice on firm performance and daily defects. We provide evidence that the intervention generally had a negative impact on firm performance for those lines...

We study a vertically differentiated duopoly with quadratic production costs where firms are uncertain about consumer taste distribution. We find two key results. First, when the quality difference is relatively greater (smaller) than the difference in the two firms' costs, uncertainty increases...

Previous literature has analyzed the quality-price decisions and the market structure that arises endogenously, in a setup where variable production costs depend on quality. This paper goes one step further by admitting the existence of "transportation" costs for consumers who buy from the firm...

Consumers commonly compare prices as well as consider quality when they are in the grocery store to save their budget and to keep a minimum level of quality. However, consumers cannot gauge every single product’s quality, and it is often shown people utilize price as a product quality...

Integration of health care services has been promoted in several countries to improve the quality and coordination of care. We investigate the effects of such integration in a model where providers compete on quality to attract patients under regulated prices. We identify circumstances under...