Herfindahl-hirschman index data

Sep 26, 2013 Key Data Findings. Competition: Herfindahl-Hirschman Index. • UMass calculated Herfindahl-Hirschman Indices (HHI) for the carrier and  Dec 4, 2011 The measure I choose, The Herfindahl-Hirschman Index, is calculated of the raw market share data used to determine the HHI, however, has 

The second column depicts different regions for the corresponding ID. I would now like to calculate the HHI index based on these two columns. I computed the HHI index manually and have attached it as a third column to show the results that I would like to have. My real data set, however, encompasses >5000 rows. The Herfindahl-Hirschman Index (HHI) is a tool used by regulators to determine the level of competition in a specific market. In smaller markets, this tool can also hamper the ability of community banks to merge with a crosstown rival, according to a recent article in the Regional Economist. the Herfindahl-Hirschman Index (HHI) for manufacturing industries only; In the U.S., these data are collected and measured by the Census Bureau's Economic Census (available every 5 years only), and in recent years made available in the American Factfinder database, organized in tables by NAICS codes. I am writing a thesis regarding export diversification in the region of West Africa (ECOWAS). I have run regressions and got significant results. I would like to make Herfindahl-Hirschman index to strengthen my thesis. Is this index possible to make in STATA, or do I have to look elsewhere? If it is possible in STATA, how do I do? When I am lazy, or looking for a quick snap, I like to browse "Images" related to a search. Generally, from this, one can track back to source. BTW, "lazy" was made to be fit and proper by the growth of techy'ness and nerdy'ness (lazy evaluation, useful surrogate for individual data. However, in practice, there is uncertainty on the reliability and adequacy of aggregated data. In this paper we estimate the Herfindahl-Hirschman Index (HHI) for a loan portfolio using both aggregate data and individual data. Then, we compare both estimates to assess the reliability of the aggregated data. Herfindahl-Hirschman index Occupations with the lowest industry concentrations, May 2012 Source: U.S. Bureau of Labor Statistics, special tabulation of May 2012 Occupational EmploymentStatistics data. Note: Industry concentration is measured by the Herfindahl -Hirschmanindex, calculated by NAICS sector.

the Herfindahl-Hirschman Index (HHI) for manufacturing industries only; In the U.S., these data are collected and measured by the Census Bureau's Economic Census (available every 5 years only), and in recent years made available in the American Factfinder database, organized in tables by NAICS codes.

Jan 1, 2000 The Herfindahl-Hirschman Index, or HHI, is calculated by squaring the market share of each company in an industry, and then adding the  Aug 8, 2016 Herfindahl-Hirschman index of the bank market of the European concentration in a simple way based on data on banking activities disclosed. Sep 26, 2013 Key Data Findings. Competition: Herfindahl-Hirschman Index. • UMass calculated Herfindahl-Hirschman Indices (HHI) for the carrier and  Dec 4, 2011 The measure I choose, The Herfindahl-Hirschman Index, is calculated of the raw market share data used to determine the HHI, however, has 

The Herfindahl-Hirschman Index calculator (HHI calculator) is an easy tool which The advantage of using this indicator is that only a small amount of data is 

Herfindahl-Hirschman index (HHI), also called HH index, in economics and finance, a measure of the competitiveness of an industry in terms of the market concentration of its participants. Developed by the American economist Orris C. Herfindahl and the German economist Albert O. Hirschman, it is based on the following formula: HHI = s 1 2 + s 2 2 + ⋯ + s n 2 where n is the number of firms in The Herfindahl index (also known as Herfindahl–Hirschman Index, HHI, or sometimes HHI-score) is a measure of the size of firms in relation to the industry and an indicator of the amount of competition among them. Named after economists Orris C. Herfindahl and Albert O. Hirschman, it is an economic concept widely applied in competition law, antitrust and also technology management.

loading-screen { position: fixed; top: 0; left: 0; z-index: 999; background: metro areas, they varied within metro areas when we segmented the data into categories Use the toggle to see how the distribution of HHI values changed each year 

1 The Herfindahl-Hirschman index (HHI) squares each firm's market share and The available concentration data are for census-defined industries, and the. on the Herfindahl-Hirschman Index (HH/) measure of market is evenly divided between two firms, the HHI is 502. + 502, or Data presented in Section III. Merchandise: Product concentration and diversification indices of exports and imports, annual Table summary (opens new window)  If you have the relevant data from companies, you can use this calculator from Herfindahl-Hirschman Index (HHI) Calculator to define the index for your desired   The Herfindahl-Hirschman Index calculator (HHI calculator) is an easy tool which The advantage of using this indicator is that only a small amount of data is  The Herfindahl-Hirschman Index is an index that measures the market concentration of a given industry. A highly concentrated industry is one where only a few  Using data on the near-universe of online US job vacancies collected by Burning We calculate Herfindahl Hirschman Indices (HHIs) for labor markets at the 

Nov 4, 2016 the seminal paper by Imbs and Warcziag (2003) using exports data, and as measured by the Herfindahl-Hirschman Index of concentration 

useful surrogate for individual data. However, in practice, there is uncertainty on the reliability and adequacy of aggregated data. In this paper we estimate the Herfindahl-Hirschman Index (HHI) for a loan portfolio using both aggregate data and individual data. Then, we compare both estimates to assess the reliability of the aggregated data. Herfindahl-Hirschman index Occupations with the lowest industry concentrations, May 2012 Source: U.S. Bureau of Labor Statistics, special tabulation of May 2012 Occupational EmploymentStatistics data. Note: Industry concentration is measured by the Herfindahl -Hirschmanindex, calculated by NAICS sector.

market concentration that is employed in other industries: the Herfindahl- Hirschman Index (HHI). For banking markets, the HHI is calculated by summing the squares of banks' The data in the SOD are as of June 30 of the most recent year. Feb 24, 2017 Market Concentration. ▷ Herfindahl-Hirschman Index (HHI). ▷ By zip code and year. ▷ Mean = 0.317, St. Dev. = 0.149  May 2, 2014 An empirical analysis of the use of the Herfindahl-Hirschman Index in such as EGM density, was conducted using EGM data from the New  Jan 1, 2000 The Herfindahl-Hirschman Index, or HHI, is calculated by squaring the market share of each company in an industry, and then adding the  Aug 8, 2016 Herfindahl-Hirschman index of the bank market of the European concentration in a simple way based on data on banking activities disclosed. Sep 26, 2013 Key Data Findings. Competition: Herfindahl-Hirschman Index. • UMass calculated Herfindahl-Hirschman Indices (HHI) for the carrier and  Dec 4, 2011 The measure I choose, The Herfindahl-Hirschman Index, is calculated of the raw market share data used to determine the HHI, however, has