In this paper, criticizing the welfarist's framework in traditional welfare economics which provides a rather limited perspective for social evaluation, we propose a more comprehensive framework in which extended social ordering functions (ESOFs) are introduced. In this framework, not only...

The purpose of this paper is to propose a new approach to empirically analyze the existence of strategic interactions of taxation between state governments (horizontal) and between state and federal governments (vertical) using gasoline and cigarette taxation in the U.S. I explicitly estimate...

This paper analyzes the role and effects of public investment policy when coordination problems among agents can result in individually rational but socially inefficient investment decisions. Developing a coordination investment model in which individuals simultaneously and independently...

Recently, Japanese public pension scheme has been discussed more often, especially about how to finance the scheme. It is possible to finance the scheme by wage-proportional contribution or by Value-Added-Tax, but the allocation may be different depending on the financial method. I find that an...

We investigate the effects of marginal changes of marginal tax rates of Japanese income tax system, computing the social marginal costs of public funds (SMCF) generated by marginal increase in tax rates. We use large micro data sets on Japanese households, and estimate a structural discrete...

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How disaster aid is allocated within poor villages is little understood. This paper examines risk-sharing institutions and social hierarchies as village self-allocation mechanisms. Original survey data from Fiji contain rich information about cyclone damage, traditional kin status, and aid...

In this paper, the concept of vulnerability of the poor welfare and its practical measures are scrutinized in order to derive implications for targeting poverty reduction policies toward vulnerable households. As illustration, various measures of vulnerability proposed in the literature are...

Conditions α and β are two well-known rationality conditions in the theory of rational choice. This paper examines the implications of weaker versions of these two rationality conditions in the context of solutions to nonconvex bargaining problems. It is shown that, together with the standard...