Journal articleHealth Policy Open · June 2026
BACKGROUND: Price transparency has been cited as a tool to reduce out-of-pocket (OOP) payments to patients. These tools for prescription drugs often focus on the price to patients for the drug alone. However, costs associated with drug delivery (i.e. infus ...
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Journal articleThe American journal of managed care · February 2026
ObjectivesTo examine whether the growth of Medicare Shared Savings Program (MSSP) accountable care organizations (ACOs) and Medicare Advantage (MA) penetration was associated with changes in health care use among commercially insured populations.< ...
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Journal articleObstet Gynecol Surv · December 1, 2025
(Abstracted from JAMA Health Forum 2025;6(6):e251630) Medicaid covers more than 40% of all births in the United States, but pregnancy-related physical and mental health coverage traditionally ends 60 days postpartum. Recognizing the limitations of this pol ...
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Journal articleObstet Gynecol Surv · December 1, 2025
(Abstracted from JAMA Health Forum 2025;6(6):e251630) Medicaid covers more than 40% of all births in the United States, but pregnancy-related physical and mental health coverage traditionally ends 60 days postpartum. Recognizing the limitations of this pol ...
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Journal articleMedical care · October 2025
Background and objectiveState-level telehealth payment parity, requiring equal payment rates for telehealth and in-person visits, played an important role in ensuring access to telehealth services. The objective of our study is to evaluate how imp ...
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Journal articleJAMA Health Forum · June 7, 2025
IMPORTANCE: The American Rescue Plan of 2021 allowed states to expand pregnancy Medicaid coverage to 12 months post partum. How the new policy affects Medicaid coverage and health care utilization is largely unknown. OBJECTIVES: To quantify insurance cover ...
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Journal articleReview of Economics and Statistics · May 1, 2025
We analyze data from a survey we administered during the COVID-19 pandemic to investigate the relationship between people’s subjective beliefs about risks and their private protective behaviors. On average, people substantially overestimate the absolute le ...
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Journal articleHealth affairs scholar · April 2025
Telehealth was catalyzed by the COVID-19 pandemic and has become a new norm in healthcare. In response to the pandemic, some states passed telehealth payment parity legislation, mandating equal payment rates for telehealth and in-person services. We evalua ...
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Journal articleJAMA network open · February 2025
ImportancePrior studies have revealed gender differences in workplace assessments of physicians, but little is known about differences by physician gender in patients' online written reviews.ObjectiveTo analyze whether patients' perceptio ...
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Journal articleJAMA Netw Open · January 2, 2025
IMPORTANCE: More than 4 million Medicare beneficiaries have enrolled in dual-eligible Special Needs Plans (D-SNPs), and coordination-only D-SNPs are common. Little is known about the impact of coordination-only D-SNPs on Medicaid-covered services and spend ...
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Journal articleManagement Science · November 1, 2024
Consumers increasingly use digital advice when making purchasing decisions. How do such tools change consumer behavior and what types of consumers are likely to use them? We examine these questions with a randomized controlled trial of digital expert advic ...
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Journal articleHealth affairs (Project Hope) · November 2024
In anticipation of the end of the COVID-19 public health emergency, Congress ended the Medicaid continuous coverage requirement on March 31, 2023, allowing states to terminate coverage for ineligible people and resume eligibility determinations through a p ...
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Journal articleAm J Manag Care · September 1, 2024
OBJECTIVES: The high costs of cancer care can cause significant harm to patients and society. Prostate cancer, the leading nonskin malignancy in men, is responsible for the second-highest out-of-pocket (OOP) payments among all malignancies. Multiple first- ...
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Journal articleJAMA oncology · July 2024
ImportanceThe long-term effect of interventions that assist patients with establishing their end-of-life care preferences among patients with cancer remain relatively unknown.ObjectiveTo evaluate the association of a long-term interventio ...
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Journal articleJournal of the American College of Emergency Physicians open · December 2023
ObjectiveTo determine whether changes in emergency department use associated with Medicaid expansions differed between states undergoing waiver and traditional expansions.MethodsDesign: This study was a cross-sectional difference-in-diffe ...
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Journal articleJAMA health forum · July 2023
ImportanceCervical cancer screening is associated with reduced cervical cancer mortality; however, clinical trials have also shown an association between excisional procedures for cervical neoplasia and an increased risk of preterm delivery (PTD). ...
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Journal articleJAMA Health Forum · May 5, 2023
IMPORTANCE: Beneficiaries dual eligible for Medicare and Medicaid account for a disproportionate share of expenditures due to their complex care needs. Lack of coordination between payment programs creates misaligned incentives, resulting in higher costs, ...
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Journal articleJCO Oncol Pract · April 2023
PURPOSE: The implications of high prices for cancer drugs on health care costs and patients' financial burdens are a growing concern. Patients with metastatic castrate-resistant prostate cancer (mCRPC) are often candidates for multiple first-line systemic ...
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Journal articleHealth affairs (Project Hope) · January 2023
The health risks of COVID-19, combined with widespread economic instability in the US, spurred Congress to pass temporary measures to improve access to health insurance. Using data from the Household Pulse Survey, a high-frequency, population-based survey, ...
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Journal articleNational Tax Journal · December 1, 2022
Although economic theory suggests that the federal government can influence spending by states through subsidies to programs that states operate, no recent work has quantified the magnitude of this effect for Medicaid, the largest program of this type in t ...
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Journal articleJAMA surgery · April 2022
ImportanceAbout half of people younger than 65 years with private insurance are enrolled in a high-deductible health plan (HDHP). While these plans entail substantially higher out-of-pocket costs for patients with chronic medical conditions who re ...
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Journal articlePreventive medicine reports · September 2021
We aimed to identify how additional information about benefits and harms of cervical cancer (CC) screening impacted intention to participate in screening, what type of information on harms women preferred receiving, from whom, and whether it differed betwe ...
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Journal articleJAMA health forum · September 2021
ImportanceWhile most working-age adults in the US obtain health insurance through an employer, little is known about the implications of the massive pandemic-related job loss in March 2020 and subsequent rebound for rates of employer-sponsored cov ...
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Journal articleJAMA health forum · August 2021
This analysis compares the design of section 1332 reinsurance policies across states based on their potential for reducing insurer risk exposure and likely level of government spending. ...
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Journal articleJournal of vascular and interventional radiology : JVIR · May 2021
PurposeTo analyze the impact of physician-specific equipment preference on cost variation for procedures typically performed by interventional radiologists at a tertiary care academic hospital.Materials and methodsFrom October 2017 to Oct ...
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Journal articleAmerican journal of ophthalmology · January 2021
PurposeTo evaluate cataract surgery complexity and complications among US Medicare beneficiaries with and without dementia.DesignRetrospective claims-based cohort study.ParticipantsA 20% representative sample of Medicare benefici ...
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Journal articleJournal of general internal medicine · June 2020
BackgroundThere are a limited number of studies investigating the relationship between primary care physician (PCP) characteristics and the quality of care they deliver.ObjectiveTo examine the association between PCP performance and physi ...
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Journal articleJournal of health economics · March 2020
Featured Publication
Despite a vast literature on the determinants of prescription opioid use, the role of health insurance plans has received little attention. We study how the form of Medicare beneficiaries' drug coverage affects the volume of opioids they consume. We find t ...
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Journal articleJournal of patient experience · February 2020
Online consenting allows potential participants of research projects to deliberate their participation at their own pace and may be more cost-effective than conventional approaches. Yet, online consenting is not widespread in health services research due p ...
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Journal articleInquiry : a journal of medical care organization, provision and financing · January 2020
Featured Publication
The Affordable Care Act (ACA) dramatically expanded health insurance, but questions remain regarding its effects on health. We focus on older adults for whom health insurance has greater potential to improve health and well-being because of their greater h ...
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Journal articleJCO oncology practice · January 2020
PurposePoor patient experiences and increasing costs from undertreated symptoms require approaches that improve patient-reported outcomes and lower expenditures. We developed and evaluated the effect of a lay health worker (LHW)-led symptom screen ...
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Journal articleDiseases of the colon and rectum · May 2019
BackgroundSex-based treatment disparities occur in many diseases. Women undergo fewer procedural interventions, and their care is less consistent with guideline-based therapy. There is limited research exploring sex-based differences in ulcerative ...
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Journal articleBMJ open · May 2019
ObjectivesMany strategies have been either used or recommended to promote physician compliance with clinical practice guidelines and clinical pathways (CPs). This study examines the relationship between hospitals' use of financial incentives to en ...
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Journal articleJournal of patient experience · March 2019
IntroductionIn response to reported difficulties in selecting a Medicare Part D prescription drug plan, we designed a patient-centered online Part D plan selection tool (CHOICE1.0) to simplify the selection process and to provide personalized, exp ...
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Journal articleHealth affairs (Project Hope) · March 2019
Featured Publication
Choosing a health insurance plan is difficult for many people, and patient-centered decision support may help consumers make these choices. We tested whether providing a patient-centered decision-support tool-with or without machine-based, personalized exp ...
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Journal articleEuropean journal of cancer prevention : the official journal of the European Cancer Prevention Organisation (ECP) · March 2019
Cervical cancer (CC) is the 13th most frequent cancer among women in Norway, but the third most common among women aged 25-49 years. The national screening program sends information letters to promote screening participation. We aimed to evaluate how women ...
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Journal articlePopulation health management · February 2019
The aim of this study was to assess: (1) the proportion of youth with special health care needs (YSHCN) with adequate transition preparation, (2) whether transition preparation differs by individual, condition-related and health care system-related factors ...
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Journal articleMedical care · January 2019
BackgroundMore than half of all medical procedures performed in the United States occur in an outpatient setting, yet few studies have explored how competition among ambulatory surgery centers (ASCs) and hospitals affects prices for commercially i ...
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Journal articleJournal of Alzheimer's disease : JAD · January 2019
BackgroundCataract surgery substantially improves patient quality of life. Despite the rising prevalence of dementia in the US, little is known about use of cataract surgery among this group.ObjectiveTo evaluate the relationship between d ...
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Journal articleThe American journal of gastroenterology · December 2018
ObjectivesMost cost-effectiveness analyses of colorectal cancer (CRC) screening assume Medicare payment rates and a lifetime horizon. Our aims were to examine the implications of differential payment levels and time horizons for commercial insurer ...
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Journal articleJAMA oncology · October 2018
Featured Publication
ImportanceAlthough lay health workers (LHWs) improve cancer screening and treatment adherence, evidence on whether they can enhance other aspects of care is limited.ObjectiveTo determine whether an LHW program can increase documentation o ...
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Journal articleJournal of patient experience · June 2018
IntroductionMedicare beneficiaries often report that the process of choosing a prescription drug plan is frustrating and confusing and many do not enroll in the plan that covers their drugs at the lowest cost.MethodsWe conducted 4 focus g ...
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Journal articleThe American journal of managed care · February 2018
ObjectivesTo examine the association between annual premiums for health plans available in Federally Facilitated Marketplaces (FFMs) and the extent of competition and integration among physicians and hospitals, as well as the number of insurers.
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Journal articleMedical care research and review : MCRR · February 2018
Although there has been significant interest from health services researchers and policy makers about recent trends in hospitals' ownership of physician practices, few studies have investigated the strengths and weaknesses of available data sources. In thi ...
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Journal articleHealth affairs (Project Hope) · December 2017
Featured Publication
The Affordable Care Act (ACA) has increased the number of Americans with health insurance. Yet many policy makers and consumers have questioned the value of Marketplace plan coverage because of the generally high levels of cost sharing. We simulated out-of ...
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Journal articleAmerican journal of ophthalmology · October 2017
PurposeTo analyze trends in utilization and payment of ophthalmic services in the Medicare population for years 2012 and 2013.DesignRetrospective, cross-sectional study.MethodsA retrospective cross-sectional observational analysi ...
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Journal articleHealth affairs (Project Hope) · September 2017
Featured Publication
Health insurance holds the promise of improving population health and survival and protecting people from catastrophic health spending. Yet evidence from lower- and middle-income countries on the impact of health insurance is limited. We investigated wheth ...
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Journal articleJAMA internal medicine · August 2017
ImportanceNoninvasive testing and coronary angiography are used to evaluate patients who present to the emergency department (ED) with chest pain, but their effects on outcomes are uncertain.ObjectiveTo determine whether cardiovascular te ...
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Journal articleJournal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract · July 2017
BackgroundInfliximab was approved for ulcerative colitis in 2005 after randomized trials showed it reduced the risk of colectomy. Its effect on population-level surgery rates is unknown. Our aim is to assess the impact of infliximab approval for u ...
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Journal articleJournal of health economics · December 2016
Featured Publication
In this paper, we estimate how hospital ownership of physicians' practices affects their patients' hospital choices. We match data on the hospital admissions of Medicare beneficiaries, including the identity of their physician, with data on the identity of ...
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Journal articleHealth affairs (Project Hope) · August 2016
Featured Publication
There is ongoing debate about how prices paid to providers by Medicare Advantage plans compare to prices paid by fee-for-service Medicare. We used data from Medicare and the Health Care Cost Institute to identify the prices paid for hospital services by fe ...
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Journal articleOphthalmic surgery, lasers & imaging retina · June 2016
Background and objectiveTo evaluate variation in physician use of vascular endothelial growth factor (VEGF) inhibitors.Patients and methodsPopulation-based analysis of comprehensive, publicly available 2012 Medicare claims, aggregated by ...
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Journal articleJournal of Risk and Insurance · March 1, 2016
The number of people enrolled in consumer-directed health plans (CDHPs) has increased dramatically over the last decade. We review the empirical literature on the effects of CDHPs, which is based on the experience of these plans in the employer-sponsored m ...
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Journal articleJournal of health economics · December 2015
We test whether the generosity of employer-sponsored health insurance facilitates the exercise of market power by hospitals. We construct indices of health plan generosity and the price and volume of hospital services using data from Truven MarketScan for ...
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Journal articleBMC health services research · October 2015
BackgroundThe National Health and Family Planning Commission of China has issued more than 400 clinical pathways to improve the effectiveness and efficiency of medical care delivered by public hospitals in China. The aim of our study is to determi ...
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Journal articleHealth affairs (Project Hope) · February 2015
While new biologics have revolutionized the treatment of age-related macular degeneration-the leading cause of severe vision loss among older adults-these new drugs have also raised concerns over the economic impact of medical innovation. The two leading a ...
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Journal articleBMC health services research · February 2015
BackgroundPatient safety climate has been recognized as a core determinant for improving safety in hospitals. Describing workforce perceptions of patient safety climate is an important part of safety climate management. This study aimed to describ ...
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Journal articleThe American journal of gastroenterology · October 2014
ObjectivesScreening decreases colorectal cancer (CRC) mortality. The national press has scrutinized colonoscopy charges. Little systematic evidence exists on colorectal testing and payments among commercially insured persons. Our aim was to charac ...
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Journal articleJAMA · October 2014
Featured Publication
ImportancePhysician practice consolidation could promote higher-quality care but may also create greater economic market power that could lead to higher prices for physician services.ObjectiveTo assess the relationship between physician c ...
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Journal articleHealth affairs (Project Hope) · June 2014
This study assessed the extent to which differences in patients' preferences across geographic areas explained differences in traditional fee-for-service Medicare spending across Dartmouth Atlas of Health Care Hospital Referral Regions (HRRs). Preference m ...
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Journal articleHealth affairs (Project Hope) · May 2014
Featured Publication
We examined the consequences of contractual or ownership relationships between hospitals and physician practices, often described as vertical integration. Such integration can reduce health spending and increase the quality of care by improving communicati ...
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Journal articleHealth psychology : official journal of the Division of Health Psychology, American Psychological Association · April 2014
ObjectiveTo determine how choice set size affects decision quality among individuals of different levels of numeracy choosing prescription drug plans.MethodMembers of an Internet-enabled panel age 65 and over were randomly assigned to set ...
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Journal articleThe American journal of managed care · January 2014
ObjectiveTo investigate the source of the weak correlation across geographic areas between Medicare and private insurance spending.Study designRetrospective, descriptive analysis.MethodsWe obtained Medicare spending data at the h ...
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Journal articleHealth psychology : official journal of the Division of Health Psychology, American Psychological Association · September 2013
ObjectiveTo determine the extent to which people make choices inconsistent with expected utility theory when choosing among prescription drug insurance plans and whether tabular or graphical presentation format influences the consistency of their ...
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Journal articleHealth affairs (Project Hope) · September 2013
Featured Publication
Anecdotal reports suggest that substantial variation exists in private insurers' payments for physician services, but systematic evidence is lacking. Using a retrospective analysis of insurance claims for routine office visits, consultations, and preventiv ...
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Journal articleHealth care management review · July 2013
BackgroundThe policy environment in China is rapidly changing. Strategic planning may enable hospitals to respond more effectively to changes in their external environment, little evidence exists on the extent to which public hospitals in China ad ...
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Journal articleThe American economic review · December 2012
Featured Publication
Premiums in health insurance markets frequently do not reflect individual differences in costs, either because consumers have private information or because prices are not risk rated. This creates inefficiencies when consumers self-select into plans. We de ...
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Journal articleHealth services research · December 2011
ObjectiveTo measure perceptions of organizational culture among employees of public hospitals in China and to determine whether perceptions are associated with hospital performance.Data sourcesHospital, employee, and patient surveys from ...
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Journal articlePsychology and aging · June 2011
The Medicare Part D Prescription Drug Program places an unprecedented degree of choice in the hands of older adults despite concerns over their ability to make effective decisions and desire to have extensive choice in this context. While previous research ...
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Journal articleFertility and sterility · December 2010
To examine the relationship between state insurance mandate status and the number of embryos transferred in assisted reproductive technology cycles, we conducted a retrospective analysis of clinics reporting to the publicly available national Society for A ...
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Journal articleHealth affairs (Project Hope) · November 2010
Variation in the use of hospital and physician services among Medicare beneficiaries is well documented. However, less is known about the younger, commercially insured population. Using data from the Community Tracking Study to investigate this issue, we f ...
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Journal articleMedical decision making : an international journal of the Society for Medical Decision Making · September 2010
BackgroundThe impact of choice on consumer decision making is controversial in US health policy.ObjectiveThe authors' objective was to determine how choice set size influences decision making among Medicare beneficiaries choosing prescrip ...
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Journal articleFertility and sterility · April 2010
ObjectiveTo evaluate the relationship between competition among fertility clinics and assisted reproductive technology (ART) treatment outcomes, particularly multiple births.DesignUsing clinic-level data from 1995 to 2001, we examined the ...
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Journal articleJournal of Risk and Insurance · March 1, 2010
Employers may offer employees a choice of health plans either to promote competition among plans or to better cater to employee preferences for different types of products. This article examines whether the relationship between the availability of choice a ...
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Journal articleHealth affairs (Project Hope) · September 2009
Controlling health care cost growth remains a high priority for policymakers and private decisionmakers, yet little is known about sources of this growth. We examined spending growth among the privately insured between 2001 and 2006, separating the contrib ...
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Journal articleJournal of health economics · May 2009
Although policymakers have increasingly turned to provider report cards as a tool to improve health care quality, existing studies provide mixed evidence on whether they influence consumer choices. We examine the effects of providing consumers with quality ...
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Journal articleJournal of health economics · May 2009
Who pays the healthcare costs associated with obesity? Among workers, this is largely a question of the incidence of the costs of employer-sponsored coverage. Using data from the National Longitudinal Survey of Youth and the Medical Expenditure Panel Surve ...
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Journal article · May 2009
Who pays the healthcare costs associated with obesity? Among workers, this is largely a question of the incidence of the costs of employer-sponsored coverage. Using data from the National Longitudinal Survey of Youth and the Medical Expenditure Panel Surve ...
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Journal article · May 2009
Although policymakers have increasingly turned to provider report cards as a tool to improve health care quality, existing studies provide mixed evidence on whether they influence consumer choices. We examine the effects of providing consumers with quality ...
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Journal articleForum for Health Economics & Policy · April 2008
The U.S. is the only developed country without some form of national health insurance. Yet, public opinion polls have consistently reported solid majorities in favor of such a system. In this paper, we examine whether attitudes toward different roles of ...
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Journal articleInquiry : a journal of medical care organization, provision and financing · January 2008
Although the objective of provider performance measurement is to improve quality of care, little evidence exists on whether it has this effect. This study examines the implementation of mandatory quality reporting for Medicare managed care (MMC) plans. We ...
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Journal articleFertility and sterility · January 2008
ObjectiveTo examine the relationship between insurance mandates and the utilization and outcomes of assisted reproductive technologies (ART).DesignUsing clinic-level data from 1990 to 2001, we examined differences between states with and ...
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Journal articleFertility and sterility · September 2007
ObjectiveTo determine whether intracytoplasmic sperm injection (ICSI) is associated with improved outcomes for non-male factor infertility.DesignWe examined the patient characteristics associated with treatment choice-ICSI and conventiona ...
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Journal articleHealth services research · June 2006
ObjectiveTo determine what types of consumers use the Internet as a source of health information.Data sourcesA survey of consumer use of the Internet for health information conducted during December 2001 and January 2002.Study design< ...
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Journal articleHealth services research · October 2005
ObjectiveTo determine how the characteristics of the health benefits offered by employers affect worker insurance coverage decisions.Data sourcesThe 1996-1997 and the 1998-1999 rounds of the nationally representative Community Tracking St ...
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Journal articleMedical care · April 2005
BackgroundThe Internet has emerged as a valuable tool for health information. Half of the U.S. population lacked Internet access in 2001, creating concerns about those without access. Starting in 1999, a survey firm randomly invited individuals to ...
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Journal articleHealth services research · December 2004
ObjectiveTo determine whether health maintenance organizations (HMOs) attract enrollees who use relatively few medical resources and whether a simple risk-adjustment system could mitigate or eliminate the inefficiency associated with risk selectio ...
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Journal articlePreventing chronic disease · October 2004
IntroductionChronic conditions are among the leading causes of death and disability in the United States. The Internet is a source of health information and advice for individuals with chronic conditions and shows promise for helping individuals m ...
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Journal articleThe American journal of managed care · September 2004
ObjectivesWe examined consumers' search for information about health insurance choices and their use of the Internet for that search and to manage health benefits.Study designWe surveyed a random sample of more than 4500 individuals aged ...
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Journal articleHealth Serv Res · February 2004
OBJECTIVE: To examine the effects of market-level managed care activity on the treatment, cost, and outcomes of care for Medicare fee-for-service acute myocardial infarction (AMI) patients. DATA SOURCES/STUDY SETTING: Patients from the Cooperative Cardiova ...
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Journal articleJAMA · May 2003
ContextThe Internet has attracted considerable attention as a means to improve health and health care delivery, but it is not clear how prevalent Internet use for health care really is or what impact it has on health care utilization. Available es ...
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Journal articleJournal of health economics · January 2002
Although most private health insurance in US is employment-based, little is known about how employers choose health plans for their employees. In this paper, I examine the relationship between employee preferences for health insurance and the health plans ...
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Journal articleInquiry : a journal of medical care organization, provision and financing · January 1999
This study used patient discharge data from New Jersey to examine differences in length of stay for normal, uncomplicated deliveries between patients in health maintenance organizations (HMOs) and those not in HMOs. The percentage of one-day stays increase ...
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