Bovenberg and Mooij (1994) and others pointed out that the optimal taxation on goods with external diseconomy both collects revenue and also corrects the external diseconomy by the goods, and thus it is said that the tax has gdouble dividendsh. The purpose of the present paper is to examine...

The necessity of applying Cost Benefit Analysis (CBA) in evaluating the validity of a public transport investment is well recognized by policy makers in recent days. Originating in a sense of this fact, we implement CBA in a new project called Osaka Monorail Saito Linefs extension by applying a...

In this paper, under the consideration on both local environmental status and transportation network, we implement Cost Benefit Analysis (CBA) for the extension plan of Osaka Monorail Loop-line by applying a Choice Experiment (CE) method. It is estimated that the benefit cost (B/C) ratio is 1.35...

This paper examines whether IT (information technology) management enhances the effects of IT investments. Our empirical analyses are based on the unique survey data. Main findings are as follows. Firms with IT management have higher effects of IT investments. The result holds when the indexes...

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本論文では，日本の上場企業のデータを用いて，資本財の多様性・異質性を前提としたMultiple q...