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The distinction between pecuniary and technological externalities was originally introduced by Jacob Viner , who did not use the term " externalities " explicitly but distinguished between " economies " ( positive externalities ) and " diseconomies " ( negative externalities ) .
 person: Jacob Viner
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Jacob Viner 
Answer:
 person: Jacob Viner