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Smartphone tracking shows fear affects where youth spend time（图）
Smartphone fear affects youth spend time
2017/9/5
Youth spend less time in their neighborhoods if area residents have a high fear of crime, according to a new study that used smartphones to track kids’ whereabouts.Researchers found that adolescents a...
Time preference and its relationship with age,health,and survival probability
subjective discount rate delay discounting expected survival probability health age South Africa
2016/3/18
Although theories from economics and evolutionary biology predict that one’s age, health, and survival probability should be associated with one’s subjective discount rate (SDR), few studies have empi...
The authors thank Seth Freedman for his extremely capable research assistance. We also
thank Rebecca Vichniac for her help in obtaining data from various countries. We thank
Bruce Sacerdote and Anna...
Reconciling Cyclical Movements in the Marginal Value of Time and the Marginal Product of Labor
Reconciling Cyclical Movements Marginal Value Time and the Marginal Product Labor
2015/7/20
Recessions appear to be times when the marginal rate of substitution between goods and workers’ time falls below the marginal product of labor. If so, the allocation of workers’ time is inefficient. I...
Report on IUSSP Seminar on Space and Time in Historical Demographic Studies - New Methods and Models
Space and Time Historical Demographic Studies New Methods and Models
2015/6/26
Organized and funded by the IUSSP Scientific Committee on Historical Demography in collaboration with the Inter-university Consortium for Political and Social Research, University of Michigan, USA, an...
IUSSP Seminar on The Emergence of Social Differences in Mortality:Time Trends,Causes,and Reactions
Social Differences in Mortality Time Trends Causes Reactions
2015/6/26
The international seminar on “The Emergence of Social Differences in Mortality: Time Trends, Causes and Reactions “, organized by the IUSSP Scientific Panel on Historical Demography in cooperation wit...
Demography, Time and Space
Demography Time Space
2015/6/24
Definition: The scientific study of population, with a
central focus on the size, distribution and
composition of population, and the processes of
population change.
Do Legal Origins Have Persistent Effects Over Time? A Look at Law and Finance around the World c. 1900
History Law Development Economics Investment Corporate Governance Finance Business and Government Relations
2015/4/22
How persistent are the effects of legal institutions adopted or inherited in the distant past? A substantial literature argues that legal origins have persistent effects that explain clear differences...
Expectations and Experiences of First-Time Mothers
pregnancy birth postpartum expectations transition
2015/1/9
The aim of this qualitative study was to explore the expectations and experiences first-time mothers have before, during, and after pregnancy. Semi-structured interviews were conducted with fifteen fi...
Gender and time allocation of cohabiting and married women and men in France, Italy, and the United States
Gender and time allocation cohabiting and married women and men France Italy the United States
2014/11/27
Background: Women, who generally do more unpaid and less paid work than men, have greater incentives to stay in marriages than cohabiting unions, which generally carry fewer legal protections for indi...
Gender and time allocation of cohabiting and married women and men in France, Italy, and the United States
cohabiting married women
2014/11/27
Women, who generally do more unpaid and less paid work than men, have greater
incentives to stay in marriages than cohabiting unions, which generally carry fewer
legal protections for individuals ...
Back to the Future: African-Americans and Cuba in the Time(s) of Race
African-Americans Cuba in the Time(s) of Race
2014/11/27
Cuba has, at least since the American revolution, occupied the imagination of North Americans. For nineteenth-century capital, Cuba's close proximity, its Black slaves, and its warm but diverse climat...
The pace of aging: Intrinsic time scales in demography
comparative aging research intrinsic time scaling mortality senescence
2014/11/26
Background: The pace of aging is a concept that captures the time-related aspect of aging. It formalizes the idea of a characteristic life span or intrinsic population time scale. In the rapidly devel...
Integrating uncertainty in time series population forecasts: An illustration using a simple projection model
Bayesian Bayesian approach England model averaging population forecasting Wales
2014/11/25
Background: Population forecasts are widely used for public policy purposes. Methods to quantify the uncertainty in forecasts tend to ignore model uncertainty and to be based on a single model.Objecti...
The life cycle dimension of time transfers in Europe
intergenerational transfers time use
2014/11/25
Background: Reallocation of economic resources between generations and genders has important consequences for economic growth and inequality. Unpaid work is a relevant component of intergenerational t...