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W e use data from a large-scale field experiment to explore what influences the effectiveness of online advertising. We find that matching an ad to website content and increasing an ad's obtrusiveness independently increase purchase intent. However, in combination, these two strategies are ineffective. Ads that match both website content and are obtrusive(More)
This paper quantifies the effect of state privacy regulation on the diffusion of Electronic Medical Records (EMR). EMR allow medical providers to store and exchange patient information using computers rather than paper records. Hospitals may be more likely to adopt EMR if they can reassure patients that their confidentiality is legally protected.(More)
The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Abstract Advertisers use online customer data to target their marketing appeals. This has heightened consumers' privacy concerns, leading governments to pass laws designed to protect consumer privacy by restricting the use of data and by(More)
In social advertising, ads are targeted based on underlying social networks and their content is tailored with information that pertains to the social relationship. This paper explores the effectiveness of social advertising using data from field tests of different ads on Facebook. We find evidence that social advertising is effective, and that this(More)
An Electronic Medical Record (EMR) allows medical providers to store and transfer patient information using computers rather than paper records. The ability to transfer existing medical information about a patient to another hospital electronically could be beneficial or detrimental to hospitals. On one hand, the ability to transfer patient records(More)
Electronic medical records (EMRs) facilitate fast and accurate access to patient records, which could improve diagnosis and patient monitoring. Using a 12-year county-level panel, we find that a 10 percent increase in births that occur in hospitals with EMRs reduces neonatal mortality by 16 deaths per 100,000 live births. This is driven by a reduction of(More)