Census of Concentration Ratios, 1947, 1954, 1958, 1970, 1972 (M278)
<|begin_of_text|><|start_header_id|>system<|end_header_id|> You are a research archivist expert in dataset metadata. Answer the question truthfully.  <|eot_id|><|start_header_id|>user<|end_header_id|> Here is the Description of a dataset. Description:'There are five datasets in this collection.1947: contains concentration ratios  and value of shipments for 454 4-digit census manufacturing industries. Each record is associated with a particular SIC. There is one record per industry.The source for the 1947 data is Study of Monopoly Power. hearings before the Subcommittee on Study of Monopoly Power of the Committee on the Judiciary, House of Representatives, Eighty-first Congress, first session, Serial No. 14, Part 2-B, Table 1. Washington, DC: U.S. Government Printing Office, 1950: 1437-1453.1954: contains concentration ratios  and value of shipments for 447 4-digit census manufacturing industries. Each record is associated with a particular SIC. There is one record per industry. The source for the 1954 data is The Proportion of the Shipments (or ' . Please return only a json list of at most 3 Keywords corresponding to the Description:.<|eot_id|><|start_header_id|>assistant<|end_header_id|> {"Answer" : ["Economic Processes and Indicators"]} <|eot_id|>
 Here is the Description of a dataset. Description:'There are five datasets in this collection.1947: contains concentration ratios  and value of shipments for 454 4-digit census manufacturing industries. Each record is associated with a particular SIC. There is one record per industry.The source for the 1947 data is Study of Monopoly Power. hearings before the Subcommittee on Study of Monopoly Power of the Committee on the Judiciary, House of Representatives, Eighty-first Congress, first session, Serial No. 14, Part 2-B, Table 1. Washington, DC: U.S. Government Printing Office, 1950: 1437-1453.1954: contains concentration ratios  and value of shipments for 447 4-digit census manufacturing industries. Each record is associated with a particular SIC. There is one record per industry. The source for the 1954 data is The Proportion of the Shipments (or ' . Please return only a json list of at most 3 Keywords corresponding to the Description:.
There are five datasets in this collection.1947: contains concentration ratios  and value of shipments for 454 4-digit census manufacturing industries. Each record is associated with a particular SIC. There is one record per industry.The source for the 1947 data is Study of Monopoly Power. hearings before the Subcommittee on Study of Monopoly Power of the Committee on the Judiciary, House of Representatives, Eighty-first Congress, first session, Serial No. 14, Part 2-B, Table 1. Washington, DC: U.S. Government Printing Office, 1950: 1437-1453.1954: contains concentration ratios  and value of shipments for 447 4-digit census manufacturing industries. Each record is associated with a particular SIC. There is one record per industry. The source for the 1954 data is The Proportion of the Shipments (or 
Economic Processes and Indicators