Existing evidence shows that decision makers’ social ties to internal co-workers can lead to reduced firm performance. In this article, we show that decision makers’ social ties to external transaction partners can also hurt firm performance. Specifically, we use 34 years of data from the...

Existing evidence shows that decision-makers’ social ties to internal co-workers can lead to reduced firm performance. In this paper, we show that decision-makers’ social ties to external transaction partners can also hurt firm performance. Specifically, we use 34 years of data from the...

Human-disease interactions involve the transmission of infectious diseases among individuals and the practice of preventive behavior by individuals. Both infectious diseases and preventive behavior diffuse simultaneously through human networks and interact with one another, but few existing...

We analyze the causal effect of retirement on the size, composition and intensity of social relationships using data from the Survey of Health, Ageing and Retirement in Europe for 11 European countries. Our empirical strategy exploits the different retirement eligibility ages as instruments for...

This paper addresses the well-known question of what drives people's well-being using two alternative measures of subjective well-being and comparing two econometric approaches, thus providing results robust to the recent critique by Bond and Lang (2019). The classical OLS and ordered probit...