This article examines the private mechanisms used to safeguard quality in auditing, with a view to defining rules capable of facilitating the performance of market forces. An outline is given of a general theory of private quality assurance in auditing, based on the use of quasi-rents to...

Using econometric evidence, this article confirms that distribution of medicines online is split into two market segments of very diverse quality, and identifies the factors that drive quality and quality assurance in this activity. Unlike fraudulent, 'rogue,' websites, which offer scant...

Econometric analysis of 113 online pharmacies finds that quality of service is higher for online pharmacies with insurance coverage and those that also run conventional pharmacies and have been open for a longer time. The significant impact of insurance coverage suggests that provision of...