Question: an external cost or external benefit is also known as
[{'answer': 'spillover effects', 'provenance': [{'wikipedia_id': '61193', 'title': 'Externality', 'start_paragraph_id': 5, 'start_character': 97, 'end_paragraph_id': 5, 'end_character': 114, 'bleu_score': 1.0, 'section': 'Section::::History of the concept.\n'}]}, {'provenance': [{'wikipedia_id': '61193', 'title': 'Externality', 'start_paragraph_id': 5, 'start_character': 0, 'end_paragraph_id': 5, 'end_character': 270, 'bleu_score': 0.7677579624279091, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7752842211521159155}, 'section': 'Section::::History of the concept.\n'}]}]