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A continuous-time consumption-investment model with constraint is considered for a small investor whose decisions are the consumption rate and the allocation of wealth to a risk-free and a risky asset with logarithmic Brownian motion fluctuations. The consumption rate is subject to an upper bound constraint which linearly depends on the investor’s wealth and bankruptcy is prohibited. The invest...

To promote sustainability consumers must be informed about their consumption behaviours. Ambient displays can be used as an ecofeedback technology to convey household consumption information. Elements of Consumption (EoC) demonstrates this by visualizing electricity, water, and natural gas consumption. EoC delivers three key components: (1) an abstract art piece, (2) a visual way to display dat...