We develop non-parametric instrumental variable estimation and inferential theory for econometric models with possibly endogenous regressors whose coefficients can vary over time either deterministically or stochastically, and the time-varying and uniform versions of the standard Hausman...

Social capital is often represented by generalized trust - the degree to which one trusts "most (unknown) people". It is assumed to be enhanced by diverse group interactions. In the social capital literature, it is opposed by particularized trust, which represents our mutual confidence in...

In this paper, football data from the 2007/2008 to 2016/2017 seasons of the Italian Serie A were used to identify the effects of replacing a coach mid-season due to poor team performance. We used an instrumental variable approach to correlate coach turnover within a season with player...