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Author: Mr.Tom Krebs
Publisher: International Monetary Fund
ISBN: 1475567561
Category : Business & Economics
Languages : en
Pages : 28
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Book Description
This paper develops a framework for the quantitative analysis of individual income dynamics, mobility and welfare. Individual income is assumed to follow a stochastic process with two (unobserved) components, an i.i.d. component representing measurement error or transitory income shocks and an AR(1) component representing persistent changes in income. We use a tractable consumption-saving model with labor income risk and incomplete markets to relate income dynamics to consumption and welfare, and derive analytical expressions for income mobility and welfare as a function of the various parameters of the underlying income process. The empirical application of our framework using data on individual incomes from Mexico provides striking results. Much of measured income mobility is driven by measurement error or transitory income shocks and therefore (almost) welfare-neutral. A smaller part of measured income mobility is due to either welfare-reducing income risk or welfare-enhancing catching-up of low-income individuals with high-income individuals, both of which have economically significant effects on social welfare. Decomposing mobility into its fundamental components is thus seen to be crucial from the standpoint of welfare evaluation.
Author: Mr.Tom Krebs
Publisher: International Monetary Fund
ISBN: 1475567561
Category : Business & Economics
Languages : en
Pages : 28
Get Book Here
Book Description
This paper develops a framework for the quantitative analysis of individual income dynamics, mobility and welfare. Individual income is assumed to follow a stochastic process with two (unobserved) components, an i.i.d. component representing measurement error or transitory income shocks and an AR(1) component representing persistent changes in income. We use a tractable consumption-saving model with labor income risk and incomplete markets to relate income dynamics to consumption and welfare, and derive analytical expressions for income mobility and welfare as a function of the various parameters of the underlying income process. The empirical application of our framework using data on individual incomes from Mexico provides striking results. Much of measured income mobility is driven by measurement error or transitory income shocks and therefore (almost) welfare-neutral. A smaller part of measured income mobility is due to either welfare-reducing income risk or welfare-enhancing catching-up of low-income individuals with high-income individuals, both of which have economically significant effects on social welfare. Decomposing mobility into its fundamental components is thus seen to be crucial from the standpoint of welfare evaluation.
Author: Tom Krebs
Publisher:
ISBN:
Category : Income
Languages : en
Pages : 26
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Book Description
This paper presents a framework for the quantitative analysis of individual income dynamics, mobility and welfare, with ex-ante identical individuals facing a stochastic income process and market incompleteness implying that they are unable to insure against persistent shocks to income. We show how the parameters of the income process can be estimated using repeated cross-sectional data with a short panel dimension, and use a simple consumption-saving model for quantitative analysis of mobility and welfare. Our empirical application, using data on individual incomes from Mexico, provides striking results. Most of measured income mobility is driven by measurement error or transitory income shocks and therefore (almost) welfare-neutral. Only a small part of measured income mobility is due to either welfare-reducing income risk or welfare-enhancing catching-up of low-income individuals with high-income individuals, both of which, nevertheless, have economically significant effects on social welfare. Strikingly, roughly half of the mobility that cannot be attributed to measurement error or transitory income shocks is driven by welfare-reducing persistent income shocks. Decomposing mobility into its fundamental components is thus crucial from the standpoint of welfare evaluation.
Author: Tom Krebs
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Book Description
This paper develops a framework for the quantitative analysis of individual income dynamics, mobility and welfare. Individual income is assumed to follow a stochastic process with two (unobserved) components, an i.i.d. component representing measurement error or transitory income shocks and an AR(1) component representing persistent changes in income. We use a tractable consumption-saving model with labor income risk and incomplete markets to relate income dynamics to consumption and welfare, and derive analytical expressions for income mobility and welfare as a function of the various parameters of the underlying income process. The empirical application of our framework using data on individual incomes from Mexico provides striking results. Much of measured income mobility is driven by measurement error or transitory income shocks and therefore (almost) welfare-neutral. A smaller part of measured income mobility is due to either welfare-reducing income risk or welfare-enhancing catching-up of low-income individuals with high-income individuals, both of which have economically significant effects on social welfare. Decomposing mobility into its fundamental components is thus seen to be crucial from the standpoint of welfare evaluation.
Author: Tom Krebs
Publisher:
ISBN:
Category :
Languages : en
Pages : 32
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Book Description
Author: Daniel P. McMurrer
Publisher: The Urban Insitute
ISBN: 9780877666745
Category : Business & Economics
Languages : en
Pages : 120
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Book Description
Adapted in part from the "Opportunity in America" series of policy briefs, this volume focuses on social and economic mobility in the United States. Class or family background has a strong effect on individual success, the authors find. They examine the possible reasons for this relationship; how it has changed over the past century; and the role of the economy, the welfare system, and education in opening up opportunities for the less fortunate.
Author: John Creedy
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
It is often argued that an observation of rising annual income inequality need not have negative normative implications. The argument is that if there has been a sufficiently large simultaneous increase in mobility, the inequality of income measured over a longer time period can be lower despite the rise in annual inequality. In this paper, it is shown by example that if normative implications are drawn from a standard social welfare function, the set of circumstances put forward in the above argument are not sufficient to guarantee that social welfare will improve. The reason is that even though rising mobility does reduce longer term inequality, it also increases the variability of income profiles over time and the latter has a detrimental social welfare effect. Hence, there are two types of mobility: one which reduces inequality (regression to the mean), but another that increases inequality (relative movements uncorrelated with incomes). Further, if individuals' aversion to income variabiltiy is sufficiently larger than the social welfare judge's aversion to inequality, then an increase in mobility, no matter how large, cannot offset the negative normative effect of rising annual inequality.
Author: Niny Khor
Publisher:
ISBN:
Category :
Languages : en
Pages : 38
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Nancy Birdsall
Publisher: Brookings Institution Press
ISBN: 9780815723585
Category : Social Science
Languages : en
Pages : 348
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Book Description
A Brookings Institution Press and Carnegie Endowment for International Peace publication Many of the countries that have recently converted to a market-based economic system have also experienced an alarming increase in income inequality — a widening gap between the haves and have nots. But to what extent is the increase in inequality also increasing the opportunities for economic advancement — particularly for those at the bottom of the economic ladder? Does the creation of greater opportunities make a region's move to the market politically acceptable? And, if opportunities don't increase along with inequality, will it eventually cause a political backlash against a country's market policies? This book highlights the importance of finding the answers to those questions by examining the issues of social mobility and opportunity as an essential part of the income inequality puzzle. It provides a summary of the latest research on the economics and politics of social mobility in both developed and emerging market economies, including the conceptual issues involved and the challenges of accurately documenting trends. The book concludes with a discussion of the economics of opportunity and mobility in Latin America and Eastern Europe, and the politics and perceptions of mobility in the two regions.
Author: Vegard Iversen
Publisher: Oxford University Press
ISBN: 0192650734
Category : Business & Economics
Languages : en
Pages : 506
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Book Description
Social mobility is the hope of economic development and the mantra of a good society. There are disagreements about what constitutes social mobility, but there is broad agreement that people should have roughly equal chances of success regardless of their economic status at birth. Concerns about rising inequality have engendered a renewed interest in social mobility—especially in the developing world. However, efforts to construct the databases and meet the standards required for conventional analyses of social mobility are at a preliminary stage and need to be complemented by innovative, conceptual, and methodological advances. If forms of mobility have slowed in the West, then we might be entering an age of rigid stratification with defined boundaries between the always-haves and the never-haves-which does not augur well for social stability. Social mobility research is ongoing, with substantive findings in different disciplines—typically with researchers in isolation from each other. A key contribution of this book is the pulling together of the emerging streams of knowledge. Generating policy-relevant knowledge is a principal concern. Three basic questions frame the study of diverse aspects of social mobility in the book. How to assess the extent of social mobility in a given development context when the datasets by conventional measurement techniques are unavailable? How to identify drivers and inhibitors of social mobility in particular developing country contexts? How to acquire the knowledge required to design interventions to raise social mobility, either by increasing upward mobility or by lowering downward mobility?
