Joanne H. Pratt Associates is a virtual company led by Joanne Pratt. From the publication of its early survey of homebased workers in 1980, the firm has been recognised as an authority on all aspects of homebased work including business impacts, transportation and air quality implications, family issues, and impacts on corporate work patterns, neighbourhood crime, and land use. The firm does not have employees but works with virtual teams assembled for each project. Pratt Associates works in three areas: