نتایج جستجو برای: herfindahl and hirschman index
تعداد نتایج: 16866031 فیلتر نتایج به سال:
A long with the development of electronic banking as a result of rapid growth of information technology, many banking indices including concentration are affected. This influence is made among different variables of which the amount of banks’ deposits and the level of deposit attraction are the most important. This study the influence of electronic banki...
Bu çalışmanın amacı havayolu pazarlarında piyasa yapısının analiz edilmesidir. Çalışmada gelişmekte olan ve gelişmiş ekonomilerde 2011-2020 dönemi için endüstrisinde pazar yapıları incelenmiştir. Ek olarak, Covid-19 salgınının yapısında meydana getirdiği bozulma da çalışmada incelenen unsurlar arasındadır. CR4, CR8 Herfindahl-Hirschman endeksi olmak üzere farklı teknikleri kullanılmıştır. Çalış...
در این پژوهش براساس شاخص صرفه های مقیاس، شاخص تمرکز هرفیندال- هیرشمن[1] و شاخص لرنر[2] ساختار بازار بخش صنعت، مورد ارزیابی قرار گرفته است. همچنین در این مقاله به بررسی ارتباط میان درجه سودآوری با شاخص های درجه تمرکز و صرفه های مقیاس پرداخته شده است. دادههای به کار رفته شامل اطلاعات نهاده و ستاده اجزای تابع هزینه، سهم بازاری صنایع، تعداد بنگاهها و قیمت محصولات مرتبط با 23 صنعت کد دو رقمی طبقه...
Firm, Industry and Macroeconomics Dynamics of Stock Returns: A Case of Pakistan Non-Financial Sector
The available research literature on stock performance has primarily stressed the importance of asset price theories, macroeconomic and microeconomic, institutional differences. However, there is still an open question: Are any other factors those influence performance? This aims to answer this question by providing new insights into industry along with country-level firm-specific in conjunctio...
En este trabajo se aplican tres indicadores de concentración económica para evaluar la producción del espárrago en Michoacán, México: i) Tasa Concentración (TCk); ii) índice Herfindahl Hirschman (IHH); y, iii) Linda (IL), así como cinco índices más medir especialización productiva: Dominancia (ID); Kwoka (IK); Horvath (IH); iv) Rosenbluth (IR); v) Gini (IG). El análisis considera los datos disp...
Using prices of hospital admissions and visits to five types of physicians, we analyzed how provider and insurer market concentration-as measured by the Herfindahl-Hirschman Index (HHI)-interact and are correlated with prices. We found evidence that in the range of the Department of Justice's and Federal Trade Commission's definition of a moderately concentrated market (HHI of 1,500-2,500), ins...
Recent increases in market concentration among health plans, hospitals, and medical groups raise questions about what impact such mergers are having on costs to consumers. We examined the impact of market concentration on the growth of health insurance premiums between 2014 and 2015 in two Affordable Care Act state-based Marketplaces: Covered California and NY State of Health. We measured healt...
OBJECTIVES To examine the effects of market competition on patient-perceived quality of care under a single-payer system in Taiwan. METHODS Data came from two nationwide surveys conducted on discharged patients and National Health Insurance (NHI) hospital claim datasets in 2002 and 2004. Competition was measured by the Herfindahl-Hirschman Index (HHI). Quality of care was measured by patient-...
BACKGROUND Markets for physician services are becoming increasingly concentrated, with many areas being dominated by a few groups. Antitrust authorities are concerned that increasing concentration will lead to inappropriately high payments for physician services from private insurers. The authors examined the association between market concentration and private insurer payments for anesthesia s...
Abstract We aim to understand the effect of market and firm-level concentration on return equity in Indian life microinsurance industry (LMI). This research is one first attempts empirically test structure–performance issues India. Using data 14 companies that remained active LMI during 2009–2019, we demonstrate firms scored better profitability measures whenever competitive pressures were lowe...
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