Coupling Human Mobility and Social Ties

Studies using massive, passively data collected from communication technologies have revealed many ubiquitous aspects of social networks, helping us understand and model social media, information diffusion, and organizational dynamics. More recently, these data have come tagged with geographic information, enabling studies of human mobility patterns and the science of cities. We combine these two pursuits and uncover reproducible mobility patterns amongst social contacts. First, we introduce measures of mobility similarity and predictability and measure them for populations of users in three large urban areas. We find individuals' visitations patterns are far more similar to and predictable by social contacts than strangers and that these measures are positively correlated with tie strength. Unsupervised clustering of hourly variations in mobility similarity identifies three categories of social ties and suggests geography is an important feature to contextualize social relationships. We find that the composition of a user's ego network in terms of the type of contacts they keep is correlated with mobility behavior. Finally, we extend a popular mobility model to include movement choices based on social contacts and compare it's ability to reproduce empirical measurements with two additional models of mobility

Social Mobility in Latin America: A Review of Existing Evidence

This paper reviews evidence on social mobility in Latin America. Several studies have used data sets that collect intergenerational socio economic information. The data, though limited, suggest that social mobility is low in the region, even when compared with low social mobility developed countries like the United States and United Kingdom, with high levels of immobility at the lower and upper tails of the income distribution. While Latin America has improved education mobility in recent decades, which may have translated into higher mobility for younger cohorts, the region still presents, except for Chile, lower education mobility than in developed countries. The paper also reviews studies on the main determinants of the region’s low levels of social mobility, including social exclusion, low access to higher education, and labor market discrimination.Social mobility, Latin America, Inequality, Social Exclusion, Education

Opportunity and social mobility

This study argues that both unequal opportunity and social mobility are necessary implications of an efficient societal arrangement when incentives must be provided.Income distribution

Social Mobility and Demand for Redistribution. A Comparative Analysis

The literature on preferences for redistribution has paid little attention to the effect of social mobility on the demand for redistribution, which is in contrast with the literature on class-voting, where studies on the effect of social mobility has been very common. Some works have addressed this issue but no systematic test of the hypotheses connecting social mobility and preferences has been done. In this paper we use the diagonal reference models to estimate the effect of origin and destination class on preferences for redistribution in a sample of European countries using data from the European Social Survey. Our findings indicate that social origin matters to a little extent to explain preferences, as newcomers tend to adopt the preferences of the destination class. Moreover, we have found only limited evidence supporting the acculturation hypothesis and not support for the status maximization hypothesis. Furthermore, the effect of social origin varies largely between countries. In a second step of the analysis we investigate what are the national factors explaining this variation. The empirical evidence we present leads to conclude that high rates of upward social mobility sharply reduce the effect of social origin on preferences for redistributionUniversidad de Málaga. Campus de Excelencia Internacional Andalucía Tech

Intergenerational mobility in England, 1858-2012. Wealth, surnames, and social mobility

This paper uses a panel of 21,618 people with rare surnames whose wealth is observed at death in England and Wales 1858-2012 to measure the intergeneration elasticity of wealth over five generations. We show, using rare surnames to track families, that wealth is much more persistent over generations than standard one generation estimates would suggest. There is still a significant correlation between the wealth of families five generations apart. We show that this finding can be reconciled with standard estimates of wealth mobility by positing an underlying Markov process of wealth inheritance with an intergenerational elasticity of 0.70-0.75 throughout the years 1858-2012. The enormous social and economic changes of this long period had surprisingly little effect on the strength of inheritance of wealth

Social Mobility in Bolivia is Finally Improving!

This paper evaluates the degree of social mobility in Bolivia, both by comparing to other Latin American countries, and by comparing social mobility at different points in time. While Bolivia had one of the lowest levels of social mobility in the region in 1997, the last 10 years have seen spectacular improvements, especially for rural and female teenagers. This is very good news, as it suggests that Bolivia has finally escaped the low mobility – low growth equilibrium where it has been stuck for so long.Social Mobility, Bolivia