This study aims to examine whether Japanese consumers show a preference for particular types of food certification, particularly the organic Japanese Agricultural Standards (JAS) label, and how important certification of food products is compared to their freshness and source. Organic JAS certification is a certification system with government-backed legal foundations. To consider these issues, we conducted a willingness to pay (WTP) survey for vegetables (spinach) as food products with a choice experiment (CE). The vegetables presented in the CE had four attributes: freshness, source, price, and certification. As a result, we found that Japanese consumers valued food certifications and had a WTP for them, including the JAS label. On the other hand, certification was a smaller factor than freshness and source in vegetable purchasing criteria. Freshness was the most important factor for Japanese consumers.
We construct a regional comprehensive wealth as an indicator of sustainability in Miyagi Prefecture, Japan. Of particular interest is the change in wealth before and after a natural disaster, since the index could serve as a benchmark of investment into postdisaster reconstruction. We first discuss an optimum spatial unit of wealth accounting and sustainability analysis. The resultant regional wealth index had already been slightly declining during the 2000s due to stagnant investment into capital assets, oil capital loss, and budget deficit burden, until a natural disaster made the region significantly unsustainable. This wealth trend also differs from what emerges from the figures in Inclusive Wealth Report 2012. Including population decrease makes the wealth per capita look better, whose interpretation warrants caution due to the neglected forward-looking demographic change in a developed nation.
This paper analyses the potential economic and environmental effects of carbon taxation in Japan using the E3MG model, a global macroeconometric model constructed by the University of Cambridge and Cambridge Econometrics. The paper approaches the issues by considering first the impacts of the carbon tax in Japan introduced in 2012 and then the measures necessary to reduce Japan's emissions in line with its Copenhagen pledge of −25% compared to 1990 levels. The results from the model suggest that FY2012 Tax Reform has only a small impact on emission levels and no significant impact on GDP and employment. The potential costs of reducing emissions to meet the 25% reduction target for 2020 are quite modest, but noticeable. GDP falls by around 1.2% compared to the baseline and employment by 0.4% compared to the baseline. But this could be offset, with some potential economic benefits, if revenues are recycled efficiently. This paper considers two revenue recycling scenarios. The most positive outcome is if revenues are used both to reduce income tax rates and to increase investment in energy efficiency. This paper shows there could be double dividend effects, if Carbon Tax Reform is properly designed.
This study discusses some insights for adaptive lake management from the perspective of ecosystem services (ES). Based on evidence from 46 advanced Payments for Watershed Services (PWS) projects implemented in 16 developing countries, and an interactive governance interpretation of this evidence, three layers of services for watershed management are distinguished, including (i) ES provided by ecosystems; (ii) land‐water conservation services (CS) provided by upstream citizens; and (iii) intermediary organizing services (OS) provided by watershed management organizations. The three‐layer service perspective indicates the need for management regime shifts regarding monitoring, funding and governance. A multilayer regime shift between monitoring, funding and governance for lake management also is discussed, using a Bolivian PWS scheme as an illustration. It indicates how lake management organizations can provide intermediary OS to coordinate exchanges between upstream payees and downstream payers. Upstream payees provide land‐water CS to obtain supply‐side payments. Land‐water CS improve water‐related ES to enhance downstream land‐water uses. Downstream payers provide demand‐side payments and benefit from better land‐water uses. This study was undertaken to broaden the vision of managing lakes and their watersheds and to guide policymakers, managers and other stakeholders in adopting adaptive management regimes for both locally and globally sustainable development.
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