We consider optimal non-linear income tax problems when the social welfare function only depends on ranks as in Yaari (1987) and weights agree with the Lorenz quasi-ordering. Gini, S-Gini, and a class putting more emphasis on inequality in the upper part of the distribution belong to this set....

This dissertation presents three independent essays that elicit social preferences in school children by using a combination of experimental measures and survey data. Chapter 2 consider the development of motivations for helping in informal risk-sharing networks from a sample of school children...

This paper analyzes a dynamic relational contract for employees with reciprocal preferences. I develop a tractable model to investigate how "direct" performance-pay (promising a bonus in exchange for effort) and generous upfront wages (which activate the norm of reciprocity) interact over the...

In this paper, we examine the role of intertemporal and social preferences in explaining cooperation in social dilemmas. Recently, the COVID-19 pandemic caused an acute social dilemma in the Netherlands. In this dilemma, citizens had to decide whether or not to comply with the personal measures...

The article is concerned with understanding the impact of social preferences and wealth inequality on aggregate economic outcomes. We investigate how different manifestations of other-regarding preferences affect incentive contracts at the microeconomic level and how these in turn translate into...