This study applies a threshold model proposed by Granovetter (1978) to analyze the diffusion process of donating behavior for renewable energy. We first use a stated preference survey to estimate the determinants of a decision to support the donation scheme under various predicted participation...

We conduct an experimental survey to analyze how rules for collective decision-making influence individual preferences regarding nature restoration plans. Our study compares two decision-making rules--a consensus rule and a majority rule--wherein participants decide on a plan regarding nature...

While the risk level of visible factors has lowered, that of invisible and uncertain factors begin to attract attention, such as climate change triggering large-scale disasters and possible counter-risks arising from emerging technologies. Costs involved in reducing risk have risen considerably...