Question: who gave concept of micro and macro economics
[{'answer': 'Ragnar Frisch', 'provenance': [{'wikipedia_id': '18820', 'title': 'Macroeconomics', 'start_paragraph_id': 3, 'start_character': 61, 'end_paragraph_id': 3, 'end_character': 74, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '18820', 'title': 'Macroeconomics', 'start_paragraph_id': 3, 'start_character': 0, 'end_paragraph_id': 3, 'end_character': 348, 'bleu_score': 0.564151511272119, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18115529243264815796}, 'section': 'Section::::Abstract.'}]}]