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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)
The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. Abstract We explore substitution patterns across advertising platforms. Using data on the advertising prices paid by lawyers for 139 Google search terms in 195 locations, we exploit a natural experiment in ―ambulance-chaser‖ regulations(More)
The internet facilitates instant and inexpensive communication across large distances. Perhaps the most striking feature of online " crowdfunding " is the broad geographic dispersion of investors in small, early-stage projects. This contrasts with existing theories that predict entrepreneurs and investors will be co-located due to distance-sensitive costs.(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)
All rights reserved. Short sections of text, not to exceed two paragraphs, may be quoted without explicit permission, provided that full credit including © notice is given to the source. Firms introducing network technologies (whose benefits depend on who installs the technology) need to understand which user characteristics confer the greatest network(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)
Social interactions occur when agents in a network affect other agents' choices directly, as opposed to via the intermediation of markets. The study of such interactions and the resultant outcomes has long been an area of interest across a wide variety of social sciences. With the advent of electronic media that facilitate and record such interactions, this(More)