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An analysis and visualization methodology for identifying and testing market structure
We introduce a method for identifying, analyzing, and visualizing submarkets in product
categories. We give an overview of the market structure and competitive submarket literature …
categories. We give an overview of the market structure and competitive submarket literature …
Pareto versus lognormal: A maximum entropy test
It is commonly found that distributions that seem to be lognormal over a broad range change
to a power-law (Pareto) distribution for the last few percentiles. The distributions of many …
to a power-law (Pareto) distribution for the last few percentiles. The distributions of many …
[HTML][HTML] Sobre la demanda de aplicaciones móviles en Colombia: un modelo simple
Se presenta un método para estimar el número de descargas de aplicaciones móviles y los
ingresos generados en el mercado de aplicaciones en Colombia, para dispositivos iPhone …
ingresos generados en el mercado de aplicaciones en Colombia, para dispositivos iPhone …
[PDF][PDF] Structure of global buyer-supplier networks and its implications for conflict minerals regulations
We investigate the structure of global inter-firm linkages using a dataset that contains
information on business partners for about 400,000 firms worldwide, including all the firms …
information on business partners for about 400,000 firms worldwide, including all the firms …
Estimating sales and sales market share from sales rank data for consumer appliances
Our motivation in this work is to find an adequate probability distribution to fit sales volumes
of different appliances. This distribution allows for the translation of sales rank into sales …
of different appliances. This distribution allows for the translation of sales rank into sales …
A new method for measuring tail exponents of firm size distributions
The authors propose a new method for estimating the power-law exponents of firm size
variables. Their focus is on how to empirically identify a range in which a firm size variable …
variables. Their focus is on how to empirically identify a range in which a firm size variable …
Power laws in market capitalization during the Dot-com and Shanghai bubble periods
The distributions of market capitalization across stocks listed in the NASDAQ and Shanghai
stock exchanges have power law tails. The power law exponents associated with these …
stock exchanges have power law tails. The power law exponents associated with these …
Firm size distribution and mobility of the top 500 firms in China, the United States and the world
This paper considers the macroscopic and microscopic statistical features of the top 500
firms in China, the United States and the world, denoted as China 500 (CH500), Fortune 500 …
firms in China, the United States and the world, denoted as China 500 (CH500), Fortune 500 …
ICT Sufficiency is Necessary: Results from Simulating Four Possible Futures
To ensure that information and communication technologies (ICT) have a positive
environmental impact, it is imperative to address their negative consequences. While efforts …
environmental impact, it is imperative to address their negative consequences. While efforts …