ln April 2016, Sigit Haryadi find a method which he calls as Haryadi Index, which combines two old formulas which one is the Herfindahl-Hirschman Index, which is commonly used to measure the level of competition and the Gini Index, which is still used to evaluate the level of equality income people. Sigit Haryadi initially thought that Haryadi Index can only be used in the science of law and sociology, appropriate application of the Herfindahl-Hirschman area and Gini Index. But it was ...

Pada bulan April 2016, Sigit Haryadi menemukan suatu metoda yang dia namakan sebagai Indeks Haryadi, yang menggabungkan dua rumus lama yang salah, yaitu Herfindahl-Hirschman Index yang umumnya digunakan untuk mengukur tingkat kompetisi dan Gini Index yang sampai saat ini masih digunakan untuk mengevaluasi tingkat kesetaraan pendapatan rakyat. Pada awalnya, Sigit Haryadi mengira bahwa Indeks Haryadi hanya dapat digunakan pada ilmu hukum dan ilmu sosiologi, sesuai area penerapan ...

ln April 2016, Sigit Haryadi find a method which he calls as Haryadi Index, which combines two old formulas which one is the Herfindahl-Hirschman Index, which is commonly used to measure the level of competition and the Gini Index, which is still used to evaluate the level of equality income people. Sigit Haryadi initially thought that Haryadi Index can only be used in the science of law and sociology, appropriate application of the Herfindahl-Hirschman area and Gini Index. But it was ...