{ "_id": "69b7c64fa485b674afcfd9e6", "Type": "Package", "Package": "concstats", "Title": "Market Structure, Concentration and Inequality Measures", "Version": "0.2.1", "Authors@R": "c(\nperson(given = \"Andreas\",\nfamily = \"Schneider\",\nrole = c(\"aut\", \"cre\"),\nemail = \"schneiderconsultingpy@gmail.com\",\ncomment = c(ORCID = \"https://orcid.org/0000-0001-5630-1097\")),\nperson(\"Sebastian\", \"Wojcik\", role = \"rev\"),\nperson(\"Christopher T.\", \"Kenny\", role = \"rev\")\n)", "Description": "Based on individual market shares of all participants in a\nmarket or space, the package offers a set of different\nstructural and concentration measures frequently - and not so\nfrequently - used in research and in practice. Measures can be\ncalculated in groups or individually. The calculated measure or\nthe resulting vector in table format should help practitioners\nmake more informed decisions. Methods used in this package are\nfrom: 1. Chang, E. J., Guerra, S. M., de Souza Penaloza, R. A.\n& Tabak, B. M. (2005) \"Banking concentration: the Brazilian\ncase\". 2. Cobham, A. and A. Summer (2013). \"Is It All About\nthe Tails? The Palma Measure of Income Inequality\". 3. Garcia\nAlba Idunate, P. (1994). \"Un Indice de dominancia para el\nanalisis de la estructura de los mercados\". 4. Ginevicius, R.\nand S. Cirba (2009). \"Additive measurement of market\nconcentration\" . 5.\nHerfindahl, O. C. (1950), \"Concentration in the steel industry\"\n(PhD thesis). 6. Hirschmann, A. O. (1945), \"National power and\nstructure of foreign trade\". 7. Melnik, A., O. Shy, and R.\nStenbacka (2008), \"Assessing market dominance\"\n. 8. Palma, J. G. (2006).\n\"Globalizing Inequality: 'Centrifugal' and 'Centripetal' Forces\nat Work\". 9. Shannon, C. E. (1948). \"A Mathematical Theory of\nCommunication\". 10. Simpson, E. H. (1949). \"Measurement of\nDiversity\" .", "License": "GPL (>= 3)", "URL": "https://github.com/ropensci/concstats/,\nhttps://docs.ropensci.org/concstats/ (website)", "BugReports": "https://github.com/ropensci/concstats/issues/", "VignetteBuilder": "knitr, rmarkdown", "Encoding": "UTF-8", "Language": "en-US", "LazyData": "true", "Roxygen": "list(markdown = TRUE, roclets = c (\"collate\", \"namespace\",\n\"rd\", \"srr::srr_stats_roclet\"))", "RoxygenNote": "7.3.2", "Config/testthat/edition": "3", "Repository": "https://ropensci.r-universe.dev", "Date/Publication": "2025-07-18 15:23:52 UTC", "RemoteUrl": "https://github.com/ropensci/concstats", "RemoteRef": "main", "RemoteSha": "e105b61be923022031526a4b2af4a96a40d7094c", "NeedsCompilation": "no", "Packaged": { "Date": "2026-03-16 08:55:25 UTC", "User": "root" }, "Author": "Andreas Schneider [aut, cre] (ORCID:\n),\nSebastian Wojcik [rev],\nChristopher T. 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