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  • Economics, Commerce - Business

Work 1-6 of 6

Sorted by relevance

Article

Does Market Integration Buffer Risk, Erode Traditional Sharing Practices and Increase Inequality? A Test among Bolivian Forager-Farmers

by Michael Gurven; Adrian Jaeggi; Chris Von Rueden; Paul Hooper; Hillard Kaplan

2015

Subjects
  • Social Work
  • Anthropology, Cultural
  • Economics, Commerce - Business
  • File Download
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Abstract:Close

Sharing and exchange are common practices for minimizing food insecurity in rural populations. The advent of markets and monetization in egalitarian indigenous populations presents an alternative means of managing risk, with the potential impact of eroding traditional networks. We test whether market involvement buffers several types of risk and reduces traditional sharing behavior among Tsimane Amerindians of the Bolivian Amazon. Results vary based on type of market integration and scale of analysis (household vs. village), consistent with the notion that local culture and ecology shape risk management strategies. Greater wealth and income were unassociated with the reliance on others for food, or on reciprocity, but wealth was associated with a greater proportion of food given to others (i.e., giving intensity) and a greater number of sharing partners (i.e., sharing breadth). Across villages, greater mean income was negatively associated with reciprocity, but economic inequality was positively associated with giving intensity and sharing breadth. Incipient market integration does not necessarily replace traditional buffering strategies but instead can often enhance social capital.

Article

Neuromarketing: the hope and hype of neuroimaging in business

by Dan Ariely; Gregory S Berns

2010

Subjects
  • Economics, Commerce - Business
  • Business Administration, Marketing
  • Economics, General
  • File Download
  • View on PubMed Central
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Abstract:Close

The application of neuroimaging methods to product marketing — neuromarketing — has recently gained considerable popularity. We propose that there are two main reasons for this trend. First, the possibility that neuroimaging will become cheaper and faster than other marketing methods; and second, the hope that neuroimaging will provide marketers with information that is not obtainable through conventional marketing methods. Although neuroimaging is unlikely to be cheaper than other tools in the near future, there is growing evidence that it may provide hidden information about the consumer experience. The most promising application of neuroimaging methods to marketing may come before a product is even released — when it is just an idea being developed.

Article

Inflation Targeting-Central Bank Practice Overseas

by Teresa Romano; Jane Sneddon-Little

2008

Subjects
  • Economics, General
  • Economics, Commerce - Business
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Abstract:Close

This policy brief, which is based on an internal memo, summarizes the institutional and operational features observed in the 27 countries that have gained experience with inflation targeting (IT). It finds considerable convergence in many IT practices across countries over the past 10 to 15 years but much variation in policymakers ’ choices concerning such key issues as how they treat the borders of the target range. On the whole, most IT banks have chosen to practice inflation targeting in a more flexible and, thus, resilient fashion than many analysts once feared—seemingly without much loss of credibility. Currently, however, after a prolonged period of rapidly rising commodity and asset prices, followed by a period of sharp oil and asset price declines, IT is clearly facing the greatest challenges in its short history of relatively widespread use. Fortunately, one key lesson that emerges from our experience to date is that much of the ability of inflation targeting to help moor inflation expectations likely stems from the premium it places on improving transparency standards. These standards are available to all central banks, whether they choose to practice inflation targeting or not.

Article

Implementing Lifestyle Change Interventions to Prevent Type 2 Diabetes in US Medicaid Programs: Cost Effectiveness, and Cost, Health, and Health Equity Impact

by Michael Laxy; Ping Zhang; Boon Peng Ng; Hui Shao; Mohammed Ali; Ann Albright; Edward W. Gregg

2020

Subjects
  • Economics, Commerce - Business
  • Health Sciences, Health Care Management
  • File Download
  • View Abstract

Abstract:Close

Background: Lifestyle change interventions (LCI) for prevention of type 2 diabetes are covered by Medicare, but rarely by US Medicaid programs that constitute the largest public payer system in the USA. We estimate the long-term health and economic implications of implementing LCIs in state Medicaid programs. Methods: We compared LCIs modeled after the intervention of the Diabetes Prevention Program versus routine care advice using a decision analytic simulation model and best available data from representative surveys, cohort studies, Medicaid claims data, and the published literature. Target population were non-disability-based adult Medicaid beneficiaries aged 19–64 years at high risk for type 2 diabetes (BMI ≥25 kg/m2 and HbA1c ≥ 5.7% or fasting plasma glucose ≥ 110 mg/dl) from eight study states (Alabama, California, Connecticut, Florida, Iowa, Illinois, New York, Oklahoma) that represent around 50% of the US Medicaid population. Incremental cost-effectiveness ratios (ICERs) measured in cost per quality-adjusted life years (QALYs) gained, and population cost and health impact were modeled from a healthcare system perspective and a narrow Medicaid perspective. Results: In the eight selected study states, 1.9 million or 18% of non-disability-based adult Medicaid beneficiaries would belong to the eligible high-risk target population – 66% of them Hispanics or non-Hispanic black. In the base-case analysis, the aggregated 5- and 10-year ICERs are US$226 k/QALY and US$34 k/QALY; over 25 years, the intervention dominates routine care. The 5-, 10-, and 25-year probabilities that the ICERs are below US$50 k (US$100 k)/QALY are 6% (15%), 59% (82%) and 96% (100%). From a healthcare system perspective, initial program investments of US$800 per person would be offset after 13 years and translate to US$548 of savings after 25 years. With a 20% LCI uptake in eligible beneficiaries, this would translate to upfront costs of US$300 million, prevent 260 thousand years of diabetes and save US$205 million over a 25-year time horizon. Cost savings from a narrow Medicaid perspective would be much smaller. Minorities and low-income groups would over-proportionally benefit from LCIs in Medicaid, but the impact on population health and health equity would be marginal. Conclusions: In the long-term, investments in LCIs for Medicaid beneficiaries are likely to improve health and to decrease healthcare expenditures. However, population health and health equity impact would be low and healthcare expenditure savings from a narrow Medicaid perspective would be much smaller than from a healthcare system perspective.

Book

Physical Principles of Medical Imaging

by Perry Sprawls Jr.

1993

Subjects
  • Economics, Commerce - Business
  • Health Sciences, Radiology
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Abstract:Close

The effective use of any medical imaging modality and the interpretation of images requires some understanding of the physical principles of the image formation process. This is because the ability to visualize specific anatomical structures or pathologic conditions depends on the inherent characteristics of a particular modality and the set of imaging factors selected by the user. The relationship between visibility and imaging factors is rather complex and often involves compromises and trade-offs among the different aspects of image quality. All imaging methods deposit some form of energy in the patient's body. This is not always without risk. Radiation exposure is usually a variable factor and often has an effect on image quality. An optimized image procedure is one in which these two factors- image quality and radiation exposure-are properly balanced. This book provides the physics and scientific knowledge that enables the physician to make appropriate technical decisions in all phases of the imaging process. It is written primarily for the physicians studying in a radiology residency program and is also a useful reference for the practicing radiologist who is often faced with day-to-day decisions concerning imaging equipment, procedures, and patient safety. This text contains much of the material from the author's previous books: The Physical Principles of Diagnostic Radiology, The Physics and Instrumentation of Nuclear Medicine, and the first edition of Physical Principles of Medical Imaging and it has been updated and supplemented especially in the areas of ultrasound, emission tomography and magnetic resonance imaging. The selection of topics and presentation of concepts is based on the physics component of the radiology residency program at Emory University. It assumes no previous knowledge of physics but rather a sincere desire on the part of the reader to understand the physical principles of the medical imaging profession.

Article

Personal infidelity and professional conduct in 4 settings

by John M. Griffin; Samuel Kruger; Gonzalo Maturana Falcone

2019

Subjects
  • Economics, Commerce - Business
  • Economics, Finance
  • Psychology, Behavioral
  • Sociology, Organizational
  • File Download
  • View Abstract

Abstract:Close

We study the connection between personal and professional behavior by introducing usage of a marital infidelity website as a measure of personal conduct. Police officers and financial advisors who use the infidelity website are significantly more likely to engage in professional misconduct. Results are similar for US Securities and Exchange Commission (SEC) defendants accused of white-collar crimes, and companies with chief executive officers (CEOs) or chief financial officers (CFOs) who use the website are more than twice as likely to engage in corporate misconduct. The relation is not explained by a wide range of regional, firm, executive, and cultural variables. These findings suggest that personal and workplace behavior are closely related.
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