Quality certification programs help consumers to identify high-quality products or sellers in markets with information …

-existent, under-developed or emerging regulatory oversight, notably Africa. This paper assesses the quality of 1470 antibiotic and … explanation is that Indian pharmaceutical firms and/or their export intermediaries do indeed differentiate drug quality according …

This paper proposes that quality differentiation is an important feature of the operations of multi-product firms. We … develop a model in which manufacturers vary product quality across their product range by using inputs of different quality … levels. Firms' core competency is in varieties of superior quality that bring higher sales despite being more expensive …

If profit maximization is the objective of a firm, new information about quality should affect firm behavior only … well in addition to profit. The introduction of quality "report cards" for cardiac surgery in Pennsylvania provides an …

influenced by existing reviews, and (3) product quality to change over time. Applying this approach to restaurant reviews from …

We formally model direct to consumer advertising (DTCA) of prescription drugs and examine factors that determine a … perspective there can be too much or too little private investment in advertising. Welfare is more likely to increase when the …