We explore network effects on generosity for different network dimensions. To this end we elicit multiple network dimensions (friendship, social support, economic exchange, etc.) in a rural village in the Southern hemisphere and measure generosity with a sequence of dictator games conducted in...

Although the linear-in-means model is the workhorse model in empirical work on peer effects, its theoretical properties are understudied. In this study, we develop a social-norm model that provides a microfoundation of the linear-in-means model and investigate its properties. We show that...

This paper provides the first direct evidence on the determinants of link formation among immigrants in the host society. We use a purposely-designed survey on a representative sample of Sri Lankan immigrants living in Milan to study how migrants form social links among them and the extent to...

One definition of social capital is the "networks of relationships among people who live and work in a particular society, enabling that society to function effectively". This definition of social capital highlights two key features. First, it refers to connections between people, shifting our...

In this paper, we examine possible types of network formation among immigrants in the diaspora and between those immigrants and the locals in different countries. We present the model by considering different possible interactions between immigrants and the new society in their host country....

Social networks are known to influence migration decisions, but connections between individuals can hardly be observed. We rely on individual-level surveys conducted by Gallup in 147 countries that provide information on migration intentions and on the existence of distance-one connections for...

We develop and estimate a theory-consistent gravity model for interregional migration flows in the presence of unemployment. Micro-founded in a setting where search friction regulates labor market transitions, we derive a migration gravity equation for bilateral mobility that embodies a...

We study entrepreneurs’ start-up financing from banks and local financiers. An informalnetwork, whose membership cannot be observed by outsiders, conveys the good signals itgets about the hidden types of network entrepreneurs to local financiers, which are thenreflected in different loan...

This paper employs United States Census data to study the occupational allocation ofimmigrants. The data reveal that the occupational shares of various ethnic groups havegrown drastically in regional labor markets over the period 1980 to 2000. We examine theextent to which this growth can be...

Using unique register data for Sweden we can match self-employed persons to theiremployees. We analyze the national composition of the employees and ask if self-employedimmigrants mainly employ workers from their home region and if self-employed nativesmainly employ native workers...