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Testing Adverse Selection With Two Dimensional Information
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Book Synopsis Testing Adverse Selection with Two-Dimensional Information by : Peng Shi
Download or read book Testing Adverse Selection with Two-Dimensional Information written by Peng Shi and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This article examines adverse selection in insurance markets within a two-dimensional information framework, where policyholders differ in both their riskiness and degree of risk aversion. Using this setup, we first build a theoretical model to make equilibrium predictions on competitive insurance screening. We study several variations on the pattern of information asymmetry. The outcomes range from full risk separation, to partial separation, to complete pooling of different risk types. Next, we examine results of this construction with an empirical investigation using a cross sectional observation from a major automobile insurer in Singapore. To test for evidence of adverse selection, we propose a copula regression model to jointly examine the relationship between policyholders' coverage choice and accident occurrence. The association parameter in copula provides evidence of asymmetric information. Furthermore, we invoke the theory to identify subgroups of policyholders for whom one may expect the risk-coverage correlation and adverse selection to arise. The empirical findings are largely consistent with theoretical predictions.
Book Synopsis Testing for Adverse Selection with "unused Observables" by : Amy Finkelstein
Download or read book Testing for Adverse Selection with "unused Observables" written by Amy Finkelstein and published by . This book was released on 2006 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper proposes a new test for adverse selection in insurance markets based on observable characteristics of insurance buyers that are not used in setting insurance prices. The test rejects the null hypothesis of symmetric information when it is possible to find one or more such "unused observables" that are correlated both with the claims experience of the insured and with the quantity of insurance purchased. Unlike previous tests for asymmetric information, this test is not confounded by heterogeneity in individual preference parameters, such as risk aversion, that affect insurance demand. Moreover, it can potentially identify the presence of adverse selection, while most alternative tests cannot distinguish adverse selection from moral hazard. We apply this test to a new data set on annuity purchases in the United Kingdom, focusing on the annuitant's place of residence as an "unused observable." We show that the socio-economic status of the annuitant's place of residence is correlated both with annuity purchases and with the annuitant's prospective mortality. Annuity buyers in different communities therefore face different effective insurance prices, and they make different choices accordingly. This is consistent with the presence of adverse selection. Our findings also raise questions about how insurance companies select the set of buyer attributes that they use in setting policy prices. We suggest that political economy concerns may figure prominently in decisions to forego the use of some information that could improve the risk classification of insurance buyers.
Download or read book Risky Business written by Liran Einav and published by Yale University Press. This book was released on 2023-01-31 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: An engaging and accessible examination of what ails insurance markets—and what to do about it—by three leading economists Why is dental insurance so crummy? Why is pet insurance so expensive? Why does your auto insurer ask for your credit score? The answer to these questions lies in understanding how insurance works. Unlike the market for other goods and services—for instance, a grocer who doesn’t care who buys the store’s broccoli or carrots—insurance providers are more careful in choosing their customers, because some are more expensive than others. Unraveling the mysteries of insurance markets, Liran Einav, Amy Finkelstein, and Ray Fisman explore such issues as why insurers want to know so much about us and whether we should let them obtain this information; why insurance entrepreneurs often fail (and some tricks that may help them succeed); and whether we’d be better off with government-mandated health insurance instead of letting businesses, customers, and markets decide who gets coverage and at what price. With insurance at the center of divisive debates about privacy, equity, and the appropriate role of government, this book offers clear explanations for some of the critical business and policy issues you’ve often wondered about, as well as for others you haven’t yet considered.
Book Synopsis Asymmetric Information and the Market Structure of the Banking Industry by : Mr.Giovanni Dell'Ariccia
Download or read book Asymmetric Information and the Market Structure of the Banking Industry written by Mr.Giovanni Dell'Ariccia and published by International Monetary Fund. This book was released on 1998-06-01 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper analyzes the effects of informational asymmetries on the market structure of the banking industry in a multi-period model of spatial competition. All lenders face uncertainty with regard to borrowers’ creditworthiness, but, in the process of lending, incumbent banks gather proprietary information about their clients, acquiring an advantage over potential entrants. These informational asymmetries are an important determinant of the industry structure and may represent a barrier to entry for new banks. The paper shows that, in contrast with traditional models of horizontal differentiation, the steady-state equilibrium is characterized by a finite number of banks even in the absence of fixed costs.
Book Synopsis Krugman's Macroeconomics for AP* by : Margaret Ray
Download or read book Krugman's Macroeconomics for AP* written by Margaret Ray and published by Macmillan. This book was released on 2010-07-30 with total page 928 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Adapted from Macroeconomics, Second edition by Paul Krugman and Robin Wells."
Author : Publisher :Arihant Publications India limited ISBN 13 :9326193489 Total Pages :733 pages Book Rating :4.3/5 (261 download)
Download or read book written by and published by Arihant Publications India limited. This book was released on with total page 733 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimentation for Engineers by : David Sweet
Download or read book Experimentation for Engineers written by David Sweet and published by Simon and Schuster. This book was released on 2023-03-21 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optimize the performance of your systems with practical experiments used by engineers in the world’s most competitive industries. In Experimentation for Engineers: From A/B testing to Bayesian optimization you will learn how to: Design, run, and analyze an A/B test Break the "feedback loops" caused by periodic retraining of ML models Increase experimentation rate with multi-armed bandits Tune multiple parameters experimentally with Bayesian optimization Clearly define business metrics used for decision-making Identify and avoid the common pitfalls of experimentation Experimentation for Engineers: From A/B testing to Bayesian optimization is a toolbox of techniques for evaluating new features and fine-tuning parameters. You’ll start with a deep dive into methods like A/B testing, and then graduate to advanced techniques used to measure performance in industries such as finance and social media. Learn how to evaluate the changes you make to your system and ensure that your testing doesn’t undermine revenue or other business metrics. By the time you’re done, you’ll be able to seamlessly deploy experiments in production while avoiding common pitfalls. About the technology Does my software really work? Did my changes make things better or worse? Should I trade features for performance? Experimentation is the only way to answer questions like these. This unique book reveals sophisticated experimentation practices developed and proven in the world’s most competitive industries that will help you enhance machine learning systems, software applications, and quantitative trading solutions. About the book Experimentation for Engineers: From A/B testing to Bayesian optimization delivers a toolbox of processes for optimizing software systems. You’ll start by learning the limits of A/B testing, and then graduate to advanced experimentation strategies that take advantage of machine learning and probabilistic methods. The skills you’ll master in this practical guide will help you minimize the costs of experimentation and quickly reveal which approaches and features deliver the best business results. What's inside Design, run, and analyze an A/B test Break the “feedback loops” caused by periodic retraining of ML models Increase experimentation rate with multi-armed bandits Tune multiple parameters experimentally with Bayesian optimization About the reader For ML and software engineers looking to extract the most value from their systems. Examples in Python and NumPy. About the author David Sweet has worked as a quantitative trader at GETCO and a machine learning engineer at Instagram. He teaches in the AI and Data Science master's programs at Yeshiva University. Table of Contents 1 Optimizing systems by experiment 2 A/B testing: Evaluating a modification to your system 3 Multi-armed bandits: Maximizing business metrics while experimenting 4 Response surface methodology: Optimizing continuous parameters 5 Contextual bandits: Making targeted decisions 6 Bayesian optimization: Automating experimental optimization 7 Managing business metrics 8 Practical considerations
Author :American Bar Association. House of Delegates Publisher :American Bar Association ISBN 13 :9781590318737 Total Pages :216 pages Book Rating :4.3/5 (187 download)
Book Synopsis Model Rules of Professional Conduct by : American Bar Association. House of Delegates
Download or read book Model Rules of Professional Conduct written by American Bar Association. House of Delegates and published by American Bar Association. This book was released on 2007 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Model Rules of Professional Conduct provides an up-to-date resource for information on legal ethics. Federal, state and local courts in all jurisdictions look to the Rules for guidance in solving lawyer malpractice cases, disciplinary actions, disqualification issues, sanctions questions and much more. In this volume, black-letter Rules of Professional Conduct are followed by numbered Comments that explain each Rule's purpose and provide suggestions for its practical application. The Rules will help you identify proper conduct in a variety of given situations, review those instances where discretionary action is possible, and define the nature of the relationship between you and your clients, colleagues and the courts.
Book Synopsis Test Bank II to Accompany Lipsey/Courant/Ragan, Economics by : Ingrid Kristjanson
Download or read book Test Bank II to Accompany Lipsey/Courant/Ragan, Economics written by Ingrid Kristjanson and published by . This book was released on 1999 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Discoveries in the Economics of Aging by : David A. Wise
Download or read book Discoveries in the Economics of Aging written by David A. Wise and published by University of Chicago Press. This book was released on 2014-08-29 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oldest members of the Baby-Boomer generation are now crossing the threshold of eligibility for Social Security and Medicare with extensive and significant implications for these programs’ overall spending and fiscal sustainability. Yet the aging of the Baby Boomers is just one part of the rapidly changing landscape of aging in the United States and around the world. The latest volume in the NBER’s Economics of Aging series, Discoveries in the Economics of Aging assembles incisive analyses of the most recent research in this expanding field of study. A substantive focus of the volume is the well-documented relationship between health and financial well-being, especially as people age. The contributors explore this issue from a variety of perspectives within the context of the changing demographic landscape. The first part of the volume explores recent trends in health measurement, including the use of alternative measurement indices. Later contributions explore, among other topics, alternate determinants of health, including retirement, marital status, and cohabitation with family, and the potential for innovations, interventions, and public policy to improve health and financial well-being.
Book Synopsis Handbook of Insurance by : Georges Dionne
Download or read book Handbook of Insurance written by Georges Dionne and published by Springer Science & Business Media. This book was released on 2013-12-02 with total page 1133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition of the Handbook of Insurance reviews the last forty years of research developments in insurance and its related fields. A single reference source for professors, researchers, graduate students, regulators, consultants and practitioners, the book starts with the history and foundations of risk and insurance theory, followed by a review of prevention and precaution, asymmetric information, risk management, insurance pricing, new financial innovations, reinsurance, corporate governance, capital allocation, securitization, systemic risk, insurance regulation, the industrial organization of insurance markets and other insurance market applications. It ends with health insurance, longevity risk, long-term care insurance, life insurance financial products and social insurance. This second version of the Handbook contains 15 new chapters. Each of the 37 chapters has been written by leading authorities in risk and insurance research, all contributions have been peer reviewed, and each chapter can be read independently of the others.
Book Synopsis Statistical Power Analysis for the Behavioral Sciences by : Jacob Cohen
Download or read book Statistical Power Analysis for the Behavioral Sciences written by Jacob Cohen and published by Routledge. This book was released on 2013-05-13 with total page 625 pages. Available in PDF, EPUB and Kindle. Book excerpt: Statistical Power Analysis is a nontechnical guide to power analysis in research planning that provides users of applied statistics with the tools they need for more effective analysis. The Second Edition includes: * a chapter covering power analysis in set correlation and multivariate methods; * a chapter considering effect size, psychometric reliability, and the efficacy of "qualifying" dependent variables and; * expanded power and sample size tables for multiple regression/correlation.
Download or read book Adverse Events written by Jill A. Fisher and published by NYU Press. This book was released on 2020-05-12 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explores the social inequality of clinical drug testing and its effects on scientific results Imagine that you volunteer for the clinical trial of an experimental drug. The only direct benefit of participating is that you will receive up to $5,175. You must spend twenty nights literally locked in a research facility. You will be told what to eat, when to eat, and when to sleep. You will share a bedroom with several strangers. Who are you, and why would you choose to take part in this kind of study? This book explores the hidden world of pharmaceutical testing on healthy volunteers. Drawing on two years of fieldwork in clinics across the country and 268 interviews with participants and staff, it illustrates how decisions to take part in such studies are often influenced by poverty and lack of employment opportunities. It shows that healthy participants are typically recruited from African American and Latino/a communities, and that they are often serial participants, who obtain a significant portion of their income from these trials. This book reveals not only how social inequality fundamentally shapes these drug trials, but it also depicts the important validity concerns inherent in this mode of testing new pharmaceuticals. These highly controlled studies bear little resemblance to real-world conditions, and everyone involved is incentivized to game the system, ultimately making new drugs appear safer than they really are. Adverse Events provides an unprecedented view of the intersection of racial inequalities with pharmaceutical testing, signaling the dangers of this research enterprise to both social justice and public health.
Author :Agency for Health Care Research and Quality (U.S.) Publisher :Government Printing Office ISBN 13 :1587634236 Total Pages :236 pages Book Rating :4.5/5 (876 download)
Book Synopsis Developing a Protocol for Observational Comparative Effectiveness Research: A User's Guide by : Agency for Health Care Research and Quality (U.S.)
Download or read book Developing a Protocol for Observational Comparative Effectiveness Research: A User's Guide written by Agency for Health Care Research and Quality (U.S.) and published by Government Printing Office. This book was released on 2013-02-21 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This User’s Guide is a resource for investigators and stakeholders who develop and review observational comparative effectiveness research protocols. It explains how to (1) identify key considerations and best practices for research design; (2) build a protocol based on these standards and best practices; and (3) judge the adequacy and completeness of a protocol. Eleven chapters cover all aspects of research design, including: developing study objectives, defining and refining study questions, addressing the heterogeneity of treatment effect, characterizing exposure, selecting a comparator, defining and measuring outcomes, and identifying optimal data sources. Checklists of guidance and key considerations for protocols are provided at the end of each chapter. The User’s Guide was created by researchers affiliated with AHRQ’s Effective Health Care Program, particularly those who participated in AHRQ’s DEcIDE (Developing Evidence to Inform Decisions About Effectiveness) program. Chapters were subject to multiple internal and external independent reviews. More more information, please consult the Agency website: www.effectivehealthcare.ahrq.gov)
Book Synopsis Credit Risk Analytics by : Bart Baesens
Download or read book Credit Risk Analytics written by Bart Baesens and published by John Wiley & Sons. This book was released on 2016-10-03 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: The long-awaited, comprehensive guide to practical credit risk modeling Credit Risk Analytics provides a targeted training guide for risk managers looking to efficiently build or validate in-house models for credit risk management. Combining theory with practice, this book walks you through the fundamentals of credit risk management and shows you how to implement these concepts using the SAS credit risk management program, with helpful code provided. Coverage includes data analysis and preprocessing, credit scoring; PD and LGD estimation and forecasting, low default portfolios, correlation modeling and estimation, validation, implementation of prudential regulation, stress testing of existing modeling concepts, and more, to provide a one-stop tutorial and reference for credit risk analytics. The companion website offers examples of both real and simulated credit portfolio data to help you more easily implement the concepts discussed, and the expert author team provides practical insight on this real-world intersection of finance, statistics, and analytics. SAS is the preferred software for credit risk modeling due to its functionality and ability to process large amounts of data. This book shows you how to exploit the capabilities of this high-powered package to create clean, accurate credit risk management models. Understand the general concepts of credit risk management Validate and stress-test existing models Access working examples based on both real and simulated data Learn useful code for implementing and validating models in SAS Despite the high demand for in-house models, there is little comprehensive training available; practitioners are left to comb through piece-meal resources, executive training courses, and consultancies to cobble together the information they need. This book ends the search by providing a comprehensive, focused resource backed by expert guidance. Credit Risk Analytics is the reference every risk manager needs to streamline the modeling process.
Book Synopsis Annuity Markets by : Edmund Stuart Cannon
Download or read book Annuity Markets written by Edmund Stuart Cannon and published by Oxford University Press, USA. This book was released on 2008 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Pension Crisis concerns the changing demographic profile of the economy: an increasing number of elderly persons supported by fewer young people. Governments around the world are responding to this impending crisis by shifting their pension policies away from pay-as-you-go systems towards individual savings schemes. These savings need to be converted into a pension at retirement, and annuities provide this function. This book is a comprehensive study of annuity markets. The book starts by outlining the context of public policy towards pensions, and explains the different types of annuities available, focusing on the UK which has the largest annuity market in the world. It examines how annuities are priced, and describes the techniques of mortality measurement. As a background, it provides a history of annuities, and the experience of annuity markets in a number of other countries. The book outlines the economic theory behind annuities, and explains how annuities insure consumers against longevity risks. It goes on to describes how annuities markets function: how they work, and whether they are efficient, leading onto a discussion of the annuity puzzle. The book concludes by discussing the regulatory framework, assets available to back annuity liabilities, and recent developments in annuity markets.
Book Synopsis Adverse Selection in the Labor Market by : Bruce C. Greenwald
Download or read book Adverse Selection in the Labor Market written by Bruce C. Greenwald and published by Dissertations-G. This book was released on 1979 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
