Results 11 to 20 of about 7,072,566 (293)
Market concentration, market dynamism and business survival [PDF]
, 2007 The paper uses a unique dataset comprising the population of new ventures that enter the UK market in 1998. We argue that we would expect the effect of market concentration on firm survival to be different according to whether an industry is static ...
Gorg, Holger +2 more
core +7 more sources
An experimental test of the concentration index. [PDF]
J Health Econ, 2012 The concentration index is widely used to measure income-related inequality in health. No insight exists, however, whether the concentration index connects with people's preferences about distributions of income and health and whether a reduction in the concentration index reflects an increase in social welfare. We explored this question by testing the
Bleichrodt H, Rohde KI, Van Ourti T.
europepmc +5 more sources
Correcting the Concentration Index [PDF]
Journal of Health Economics, 2009 In recent years attention has been drawn to several shortcomings of the Concentration Index, a frequently used indicator of the socioeconomic inequality of health. Some modifications have been suggested, but these are only partial remedies. This paper proposes a corrected version of the Concentration Index which is superior to the original ...
openaire +4 more sources
Indian Journal of Community Medicine, 2022 Background: Despite concentrated global efforts to bring about reduction in malnutrition among children, it continues to remain a public health concern, especially in developing countries such as India.
Deboshree Das
doaj +1 more source
Assessing Intertemporal Socioeconomic Inequalities in Alcohol Consumption in South Africa
Frontiers in Public Health, 2021 Background: This paper assesses changes in the socioeconomic inequality in alcohol consumption by exploring whether alcohol consumption (current and binge drinkers) is more prevalent among the wealthier (pro-rich) or poorer (pro-poor) group over time ...
Mayara Fontes Marx +3 more
doaj +1 more source
A Generalized Index of Concentration [PDF]
Sociological Methods & Research, 1977 A generalized nth power index of concentration is defined; for n = 1 it yields the entropy-based "relative redundancy, " and for n = 2 it yields the Ray and Singer (1973) concentration coefficient. Relations are established with a dozen other indices of concentration, diversity, fragmentation, differentiation, and inequality used in social science ...
Taagepera, Rein, Ray, James Lee
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Atmosphere, 2022 Precipitation, as an important part of the hydrological cycle, is often related to flood and drought. In this study, we collected daily rainfall data from 21 rainfall stations in Shaanxi Province from 1961 to 2017, and calculated eight extreme climate ...
Shuangtao Wang +3 more
doaj +1 more source
Frontiers in Aging Neuroscience, 2022 BackgroundTo explore the prevalence and inequality of cognitive impairment among older adults in Macau and the contributions of influencing factors to inequality in cognitive impairment.MethodsThe Montreal Cognitive Assessment (MoCA) was used to measure ...
Zhuo Zhang +3 more
doaj +1 more source
Human Vaccines & Immunotherapeutics, 2021 Objective This study aimed to evaluate the trends and changes in inequities in the completeness of the primary vaccination (CPV) scheduled before the first year of age among children aged 12–23 months, from 2000 to 2017. Methods: Data were extracted from
Yu Hu +4 more
doaj +1 more source
Measuring Concentration in Data with an Exogenous Order [PDF]
, 2013 Concentration measures order the statistical units under observation according to their market share. However, there are situations where an order according to an exogenous variable is more appropriate or even required.
Abedieh, Jasmin +2 more
core +1 more source