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Why are Testing Rates so Low in Sub-Saharan Africa? Misconceptions and Strategic Behaviors 为什么撒哈拉以南非洲的检测率如此之低?误解和战略行为
Q3 Economics, Econometrics and Finance Pub Date : 2013-01-01 DOI: 10.1515/fhep-2012-0033
O. Sterck
Abstract Voluntary testing and counseling (VTC) is a popular method for fighting the HIV/AIDS epidemic. The purpose of VTC is to reduce the incidence of the virus in a two-fold manner. First, testing provides access to health care and antiretroviral therapies that diminish the transmission rate of the virus. Second, counseling encourages safer behavior for not only individuals who test HIV-negative and wish to avoid HIV/AIDS infection but also altruistic individuals who test HIV-positive and wish to protect their partners from becoming infected by HIV. Surprisingly, DHS surveys that were conducted in sub-Saharan Africa provide empirical evidence that testing services are underutilized. Moreover, it is rare for both partners in a couple to be tested for HIV. This paper proposes a theoretical model that indicates how misperceptions about the HIV/AIDS virus may explain these puzzles. More specifically, this study demonstrates that individuals who are at risk of HIV infection may act strategically to avoid the cost of testing if they overestimate the risk of HIV transmission or believe that health care is not required if HIV is asymptomatic. The correction of false beliefs and the promotion of self-testing are expected to increase HIV testing rates.
摘要自愿检测与咨询(VTC)是防治艾滋病流行的一种常用方法。职训局的目的是在两方面减少病毒的发病率。首先,检测提供了获得保健和抗逆转录病毒治疗的机会,从而降低了病毒的传播率。第二,咨询不仅鼓励艾滋病毒检测呈阴性并希望避免感染艾滋病毒/艾滋病的个人采取更安全的行为,而且鼓励那些艾滋病毒检测呈阳性并希望保护其伴侣免受艾滋病毒感染的无私的个人采取更安全的行为。令人惊讶的是,在撒哈拉以南非洲进行的国土安全部调查提供的经验证据表明,检测服务没有得到充分利用。此外,夫妻双方都接受艾滋病毒检测的情况很少见。本文提出了一个理论模型,表明对艾滋病毒/艾滋病病毒的误解如何解释这些难题。更具体地说,这项研究表明,如果有感染艾滋病毒风险的个人高估了艾滋病毒传播的风险,或者认为如果艾滋病毒无症状就不需要医疗保健,他们可能会采取战略行动,以避免检测费用。纠正错误观念和促进自我检测有望提高艾滋病毒检测率。
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引用次数: 6
Formal and Informal Care: An Empirical Bayesian Analysis Using the Two-part Model 正式与非正式关怀:基于两部分模型的实证贝叶斯分析
Q3 Economics, Econometrics and Finance Pub Date : 2012-11-19 DOI: 10.1515/1558-9544.1253
Juan Du
Abstract Informal care provided to the elderly by their children is proposed as a less expensive alternative to institutional long-term care. This paper explores how the elderly's consumption of medical care changes in response to changes in the informal care they receive from their children. Many earlier studies have ignored both the endogeneity of informal care and the complicated nature of health care utilization data. This paper develops a two-part model with informal care treated as an endogenous regressor and imposes exclusion restrictions on the selection process. The model is fitted using the Bayesian Markov Chain Monte Carlo (MCMC) methods, in particular the Gibbs sampler and the Metropolis-Hasting algorithm. The average treatment effects and the distributions of the treatment effects are obtained via posterior simulation. The results indicate that informal care provides a substitute for nursing home care and hospital inpatient care, but it does not affect paid home health care on average. The treatment effects are heterogeneous. The largest substitution effects occur for nursing home and hospital inpatient care at the intensive margin. The policy analysis suggests that informal care policies targeting the group that incurs the largest substitution effect may help to reduce government spending on Medicaid and Medicare.
由子女提供给老年人的非正式护理被认为是机构长期护理的一种更便宜的替代方案。本文探讨了老年人的医疗保健消费如何随着他们从子女那里得到的非正式护理的变化而变化。许多早期的研究都忽略了非正式护理的内生性和卫生保健利用数据的复杂性。本文建立了一个两部分模型,将非正式护理作为内生回归因子,并对选择过程施加排除限制。模型采用贝叶斯马尔可夫链蒙特卡罗(MCMC)方法拟合,特别是Gibbs采样器和Metropolis-Hasting算法。通过后验模拟得到了平均处理效果和处理效果的分布。结果显示,非正式照护可替代疗养院照护和住院照护,但对家庭付费照护的平均影响不显著。治疗效果是不均匀的。在密集边际上,最大的替代效应发生在疗养院和医院住院护理。政策分析表明,针对产生最大替代效应的群体的非正式护理政策可能有助于减少政府在医疗补助和医疗保险方面的支出。
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引用次数: 6
The Distributional Effects of Health Reform Limits on Flexible Spending Accounts 医疗改革对灵活支出账户限制的分配效应
Q3 Economics, Econometrics and Finance Pub Date : 2012-11-19 DOI: 10.1515/1558-9544.1310
J. Cardon, J. Moore, M. Showalter
Abstract Flexible spending accounts (FSAs) are a widely used arrangement that allow employees to pay for qualified out-of-pocket health expenses with pre-tax dollars. The tax preference given to FSAs has been controversial and recent health care law (Patient Protection and Affordable Care Act and Health Care and Education Reconciliation Act) limits the tax exclusion to an inflation-adjusted value of $2,500 (2013 $s). The limit is estimated to increase federal payroll and income tax receipts by $13 billion between 2013 and 2019. But the welfare implications of this change are unclear.This paper uses a unique panel dataset to explore the demographic profile of households likely to be affected by the tax increase. We use a sample of 19,322 households observed over the period 1998–2008. The data include FSA expenditures, insurance claim information for covered medical and dental expenditures, and household demographic information. We explore patterns of FSA usage by income and health status.We find that households likely to be affected by the tax increase disproportionately tend to be households experiencing one or more chronic health conditions. The existence of chronic illness is associated with relatively high and persistent medical expenses and also with relatively older and wealthier households. We estimate an average tax increase of $101 in 2013 for 13.9 million households with an FSA.
灵活支出账户(FSAs)是一种广泛使用的安排,允许员工用税前美元支付合格的自付医疗费用。给予金融服务机构的税收优惠一直存在争议,最近的医疗保健法(《患者保护和可负担医疗法案》和《医疗保健和教育和解法案》)将税收减免限制在通货膨胀调整后的2500美元(2013年5美元)。据估计,这一限制将在2013年至2019年期间使联邦工资和所得税收入增加130亿美元。但这一变化对福利的影响尚不清楚。本文使用一个独特的面板数据集来探索可能受增税影响的家庭的人口统计概况。我们使用了1998年至2008年期间观察到的19,322个家庭的样本。这些数据包括金融服务厅支出、承保医疗和牙科支出的保险索赔信息以及家庭人口统计信息。我们通过收入和健康状况来探索FSA的使用模式。我们发现,可能受到增税影响的家庭往往是患有一种或多种慢性健康状况的家庭。慢性疾病的存在与相对较高和持续的医疗费用有关,也与相对年长和富裕的家庭有关。我们估计2013年1390万拥有FSA的家庭平均增税101美元。
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引用次数: 3
The Value of Patent Expiration 专利到期的价值
Q3 Economics, Econometrics and Finance Pub Date : 2012-11-19 DOI: 10.1515/1558-9544.1311
M. R. McKellar, Matthew B. Frank, H. Huskamp, M. Chernew
Abstract Despite bringing breakthrough medications to market, pharmaceutical companies incurred criticism during the 1990s and early 2000s because of high prices of many drugs. We argue that the benefits of pharmaceuticals should be evaluated in a dynamic context that extends beyond the patent expiration date. Now that numerous patents have expired, generic medications exist in many important drug classes. Thus, consumers reap the benefits of past innovation for years to come. We estimate that across 19 molecules whose patents expired from 2005-2009, $193-436 billion will transfer to consumers over 10 to 20 years due to patent expiration. This suggests that, while prices were high during the patent period, creating an incentive for innovation, the transfers to consumers after patent expiration are significant, which is how the patent system is designed to function.
尽管制药公司将突破性药物推向市场,但在20世纪90年代和21世纪初,由于许多药物的高价格,制药公司受到了批评。我们认为,药物的好处应该在一个动态的背景下进行评估,超越专利到期日。现在许多专利已经过期,在许多重要的药物类别中存在仿制药。因此,消费者将在未来几年从过去的创新中获益。我们估计,在2005年至2009年期间专利到期的19种分子中,由于专利到期,在10到20年内,消费者将获得1,930 - 4,360亿美元的转移。这表明,虽然专利期间价格较高,为创新创造了激励,但专利到期后向消费者的转移是显著的,这就是专利制度设计的运作方式。
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引用次数: 2
A Reexamination of the Costs of Medical R&D Regulation 医药研发监管成本再审
Q3 Economics, Econometrics and Finance Pub Date : 2012-10-16 DOI: 10.1515/FHEP-2012-0020
T. Philipson, E. Sun, D. Goldman, A. Jena
Abstract Recent evidence suggests that the economic value of increased health has been enormous, with most of these gains being driven by medical R&D. The R&D process for pharmaceuticals is particularly expensive and time consuming, with well-known studies from the Tufts Center for the Study of Drug Development suggesting that developing a single successful drug costs around $1 billion and takes roughly 12 years. We argue that these estimates are incomplete because they do not incorporate the social costs imposed by the regulatory process, namely the costs to producers in terms of forgone profits and the costs to consumers in terms of delayed access to drugs. In this article, we develop a framework to estimate the social costs imposed by the regulatory process. Under this framework, delays in drug development are socially costly because of reduced consumer surplus (due to delayed access to beneficial therapies), reduced producer variable profits, and increased R&D expenditures. We apply this framework to the case of therapies aimed at treating AIDS, non-Hodgkin’s lymphoma, and breast cancer. In each case, we find that the effects of drug delays on consumer surplus and variable producer profits are far larger than the effects on R&D costs. These findings suggest that patients, not firms, would be the primary beneficiaries from any improvements in streamlining the drug development process.
最近的证据表明,健康水平的提高带来了巨大的经济价值,其中大部分收益是由医疗研发推动的。药物的研发过程尤其昂贵和耗时,塔夫茨药物开发研究中心(Tufts Center for The Study of Drug Development)的著名研究表明,开发一种成功的药物需要大约10亿美元,大约需要12年的时间。我们认为,这些估计是不完整的,因为它们没有纳入监管过程所造成的社会成本,即生产者在放弃利润方面的成本和消费者在延迟获得药物方面的成本。在本文中,我们开发了一个框架来估计监管过程所施加的社会成本。在这一框架下,由于消费者剩余减少(由于获得有益疗法的延迟)、生产者可变利润减少和研发支出增加,药物开发的延迟在社会上代价高昂。我们将这一框架应用于治疗艾滋病、非霍奇金淋巴瘤和乳腺癌的病例。在每种情况下,我们都发现药品延迟对消费者剩余和可变生产者利润的影响远大于对研发成本的影响。这些发现表明,患者,而不是公司,将是药物开发过程中任何改进的主要受益者。
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引用次数: 3
Can Centralization of Cancer Surgery Improve Social Welfare? 癌症手术集中化能改善社会福利吗?
Q3 Economics, Econometrics and Finance Pub Date : 2012-10-16 DOI: 10.1515/FHEP-2012-0016
V. Ho, Marah Short, Meei-Hsiang Ku-Goto
Abstract The empirical association between high hospital procedure volume and lower mortality rates has led to recommendations for the centralization of complex surgical procedures. Yet redirecting patients to a select number of high-volume hospitals creates potential negative consequences for market competition. We use patient-level data to estimate the association between hospital procedure volume and patient mortality and costs. We also estimate the association between hospital market concentration and mortality, cost, and prices. We use our estimates to simulate the change in social welfare resulting from redirecting patients at low-volume hospitals to high-volume facilities. We find that a higher procedure volume leads to significant reductions in mortality for patients undergoing surgery for pancreatic cancer, but not colon cancer. Procedure volume also influences costs for both surgeries, but in a nonlinear fashion. Increased market concentration is associated with higher costs and prices for colon cancer, but not pancreatic cancer patients. Simulations indicated that centralizing pancreatic cancer surgery is unambiguously welfare enhancing. In contrast, there is less evidence to suggest that centralizing colon cancer surgery would be welfare improving.
高医院手术量和低死亡率之间的经验关联导致了复杂外科手术集中的建议。然而,将患者重新定向到特定数量的大医院会对市场竞争产生潜在的负面影响。我们使用患者水平的数据来估计医院手术量与患者死亡率和成本之间的关系。我们也估计了医院市场集中度与死亡率、成本和价格之间的关系。我们使用我们的估计来模拟将小容量医院的患者转移到大容量医院所导致的社会福利变化。我们发现,手术量越大,胰腺癌患者的死亡率就会显著降低,而结肠癌则不然。手术量也影响两种手术的费用,但以非线性的方式。市场集中度的提高与结肠癌患者的成本和价格上涨有关,但与胰腺癌患者无关。模拟表明,集中胰腺癌手术无疑是提高福利。相比之下,很少有证据表明集中结肠癌手术会改善福利。
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引用次数: 12
The Impact of Household Investments on Early Child Neurodevelopment and on Racial and Socioeconomic Developmental Gaps - Evidence from South America. 家庭投资对儿童早期神经发育以及种族和社会经济发展差距的影响——来自南美洲的证据。
Q3 Economics, Econometrics and Finance Pub Date : 2012-10-04 DOI: 10.2202/1558-9544.1237
George L Wehby, Ann Marie McCarthy, Eduardo E Castilla, Jeffrey C Murray
Abstract This paper assesses the effects of household investments through child educating activities on child neurodevelopment between the ages of 3 and 24 months, and evaluates whether investments explain racial and socioeconomic developmental gaps in South America. Quantile regression is used to evaluate the heterogeneity in investment effects by unobserved developmental endowments. The study finds large positive investment effects on early child neurodevelopment, with generally larger effects among children with low developmental endowments (children at the left margin of the development distribution). Investments explain part of the observed racial gaps and the whole socioeconomic developmental gap. Investments may compensate for low endowments and policy interventions to increase investments may reduce early development gaps and result in high social and economic returns.
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引用次数: 15
Can Consumers Control Health-Care Costs? 消费者能控制医疗费用吗?
Q3 Economics, Econometrics and Finance Pub Date : 2012-09-10 DOI: 10.1515/FHEP-2012-0008
M. Hall, C. Schneider
Abstract The ultimate aim of health care policy is good care at good prices. Managed care failed to achieve this goal through influencing providers, so health policy has turned to the only market-based option left: treating patients like consumers. Health insurance and tax policy now pressure patients to spend their own money when they select health plans, providers, and treatments. Expecting patients to choose what they need at the price they want, consumerists believe that market competition will constrain costs while optimizing quality. This classic form of consumerism is today’s health policy watchword. This article evaluates consumerism and the regulatory mechanism of which it is essentially an example – legally mandated disclosure of information. We do so by assessing the crucial assumptions about human nature on which consumerism and mandated disclosure depend. Consumerism operates in a variety of contexts in a variety of ways with a variety of aims. To assess so protean a thing, we ask what a patient’s life would really be like in a consumerist world. The literature abounds in theories about how medical consumers should behave. We look for empirical evidence about how real people actually buy health plans, choose providers, and select treatments. We conclude that consumerism is unlikely to accomplish its goals. Consumerism’s prerequisites are too many and too demanding. First, consumers must have choices that include the coverage, care-takers, and care they want. Second, reliable information about those choices must be available. Third, information must be put before consumers in helpful ways, especially by doctors. Fourth, the information must be complete and comprehensible enough for consumers to use it. Fifth, consumers must understand what they are told. Sixth, consumers must actually analyze the information and do so well enough to make good choices. Our review of the empirical evidence concludes that these prerequisites cannot be met reliably most of the time. At every stage people encounter daunting hurdles. Like so many other dreams of controlling costs and giving patients control, consumerism is doomed to disappoint. This does not mean that consumerist tools should never be used. If all that consumerism accomplished is to raise general cost-consciousness among patients, still, it could make a substantial contribution to the larger cost-control efforts by insurers and the government. Once patients bear responsibility for much day-to-day spending on their health needs, they should be increasingly sensitized to the difficult trade-offs that abound in medical care and might even begin to understand that public and private health insurers have a legitimate interest in controlling medical spending.
医疗保健政策的最终目标是物美价廉。管理式医疗未能通过影响提供者来实现这一目标,因此卫生政策转向了仅剩的基于市场的选择:像对待消费者一样对待患者。现在的医疗保险和税收政策迫使患者在选择医疗计划、医疗服务提供者和治疗方法时自费。消费者主义者期望患者以他们想要的价格选择他们需要的东西,他们认为市场竞争将在优化质量的同时限制成本。这种典型的消费主义是当今健康政策的口号。这篇文章评价了消费主义和它本质上是一个例子的监管机制——法律强制信息披露。我们通过评估消费主义和强制披露所依赖的关于人性的关键假设来做到这一点。消费主义以各种方式在各种环境中以各种目的运作。为了评估如此千变万化的事物,我们要问的是,在一个消费主义的世界里,病人的生活到底会是什么样子。文献中有大量关于医疗消费者应该如何行为的理论。我们寻找关于真实的人们如何购买健康计划、选择提供者和选择治疗的经验证据。我们的结论是,消费主义不太可能实现它的目标。消费主义的先决条件太多,要求太高。首先,消费者必须有选择,包括保险范围、护理人员和他们想要的护理。其次,必须提供有关这些选择的可靠信息。第三,信息必须以有益的方式呈现在消费者面前,尤其是医生。第四,信息必须是完整和可理解的,以供消费者使用。第五,消费者必须理解他们被告知的内容。第六,消费者必须真正分析信息,并做得足够好,以做出正确的选择。我们对经验证据的回顾得出结论,这些先决条件在大多数时候都不能可靠地满足。在每个阶段,人们都会遇到令人生畏的障碍。就像许多其他控制成本和给予病人控制权的梦想一样,消费主义注定要让人失望。这并不意味着永远不应该使用消费主义工具。如果消费主义所取得的成就只是提高了患者的普遍成本意识,那么,它仍然可以为保险公司和政府更大范围的成本控制努力做出重大贡献。一旦病人承担了日常医疗支出的责任,他们就应该对医疗保健中存在的困难权衡越来越敏感,甚至可能开始理解公共和私人医疗保险公司在控制医疗支出方面有合法的利益。
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引用次数: 0
High US Health-Care Spending and the Importance of Provider Payment Rates 高美国医疗保健支出和提供者支付率的重要性
Q3 Economics, Econometrics and Finance Pub Date : 2012-09-10 DOI: 10.1515/FHEP-2012-0007
G. Anderson, K. Chalkidou, B. Herring
Abstract We compare health care spending in the USA to other industrialized countries and find that payment rates for hospitals, physicians, and drugs are generally much higher in the USA than they are in other industrialized countries while the quantity of services – as measured by the number of physician visits, hospital days and prescriptions filled per capita – is relatively similar across countries. We then explore policy initiatives designed to control payment rates and volume of services and review the success and failures of these initiatives. Within the USA, the private sector pays significantly higher rates for hospital and physician services and drugs than the public sector. Thus, if the USA is going to reduce health care spending, it may be necessary to begin by reducing payment rates in the private sector. Options to achieve this goal are presented.
我们将美国的医疗保健支出与其他工业化国家进行比较,发现美国的医院、医生和药物的支付率通常比其他工业化国家高得多,而服务的数量——以医生就诊次数、住院天数和人均处方填充量来衡量——在各国之间相对相似。然后,我们探索旨在控制支付率和服务量的政策举措,并审查这些举措的成功和失败。在美国,私营部门为医院、医生服务和药品支付的费用明显高于公共部门。因此,如果美国要减少医疗保健支出,可能有必要从降低私营部门的支付率开始。提出了实现这一目标的各种选择。
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引用次数: 3
Eight Decades of Discouragement: The History of Health Care Cost Containment in the USA 八十年的挫折:美国医疗保健成本控制的历史
Q3 Economics, Econometrics and Finance Pub Date : 2012-09-10 DOI: 10.1515/FHEP-2012-0009
T. Jost
Abstract This chapter traces the history of attempts at cost control in the United States from the origins of our modern health care financing system in the 1930s and 1940s, through health care cost regulation in the 1970s, and the deregulatory 1980s and 1990s, to the Affordable Care Act.
本章追溯了美国成本控制尝试的历史,从20世纪30年代和40年代现代医疗融资体系的起源,到20世纪70年代的医疗成本监管,再到20世纪80年代和90年代的放松管制,再到《平价医疗法案》。
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引用次数: 12
期刊
Forum for Health Economics and Policy
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