Do people keep social distance to mitigate the infection risk of COVID-19, even without aggressive policy interventions? The Japanese government did not restrict individuals’ activities despite the early confirmation of infections, and as a result, economic damages were limited in the initial...

Do people keep social distance to mitigate the infection risk of COVID-19, even without aggressive policy interventions? The Japanese government did not restrict individuals’ activities despite the early confirmation of infections, and as a result, economic damages were limited in the initial...

This paper examines a two-period moral hazard model with an inequality-averse agent. We show how the agent's past performance will help the principal to relax incentive compatibility constraints and how the existence of an inequality aversion of the agent affects a level of wage in each period...

We examine the range of anonymity that is compatible with a Paretian social welfare relation (SWR) on infinite utility streams. Three alternative coherence properties of an SWR are considered, namely, acyclicity, quasi-transitivity, and Suzumura consistency. For each case, we show that a...

Suzumura consistency is a necessary and sufficient condition for the existence of a weak-order extension. This paper provides some remarks on collective choice rules that generate Suzumura consistent social preferences. We examine the properties of such collective choice rules by introducing a...

The purpose of this article is to investigate the properties of equilibrium in a market with a leader. In particular, we examine how the equilibrium values depend on existing competitors. When the number of competitors is exogenously given, most equilibrium values, including the leader’s...