OBJECTIVE This paper analyzes whether the rise in managed care during the 1990s caused the increase in hospital concentration. DATA SOURCES We assemble data from the American Hospital Association, InterStudy and government censuses from 1990 to 2000. STUDY DESIGN We employ linear regression analyses on long differenced data to estimate the impact of managed care penetration on hospital cons...

Can more vigorous political competition significantly raise rural land values, or contribute to more robust land rental markets? Exploiting exogenous variation in the national popularity of Pakistan’s political parties during the 2008 elections, we show that provincial assembly constituencies with greater competition between political parties had significantly higher land values and more active...

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...

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-...

China’s fast-growing online consumer-to-consumer (C2C) market merits widespread research efforts. However, it has so far received little research attention. In this exploratory study, we chose Taobao – a leading online C2C auction company in China with more than 70% of market shares – as our research context. We focus on the general market structure of Taobao in terms of three factors: market d...

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...

Purpose: The aim of this article is to explain the differences between educational expenses municipalities and cities in Poland subvention received by them from state budget, particular scale violation actual their original structure as a result aggregated decisions local authorities. Design/Methodology/Approach: concentration degree expenditure streams using Herfindahl-Hirschman Index (HHI), f...

This article utilizes social network analysis in addition to a measure of genre diversity quantify the quality and capacity actors Malay language film industry. We built dataset by collecting data from various websites pertaining films. The consists 180 films released 2015 until 2020. actor is then connecting co-starring movie together compared small world networks. quantified using five measur...

Crop diversification finds an important place in the strategy of dealing with risk and uncertainty related to climate change. It helps increase resilience farmers, significantly improving their income stability, but at same time, it can lower economic efficiency small farms. The aim article is identify determinants crop impact on farms Poland. This first provides a critical review literature di...