Building integrated photovoltaics, a special form of photovoltaics, is still a niche market with a relatively low number of installations worldwide. Although it is considered a promising technology, especially in Europe where land for large-scale photovoltaic plants is rare, several factors continue to constrain its widespread adoption. This paper investigates the prospects for, and barriers to, building integrated photovoltaics adoption in the European context, building on a series of interviews with experts in the field. The results indicate that the main problems relate to cost calcu lations, to the existing gap between the photovoltaic and the building industry, and to the lack of expertise and knowledge concerning the potential of the technology among important stakeholders. However, with the implementation of the new European Building Directive 2010/31/EU that demands "nearly zero-energy buildings" by 2020, building integrated photovoltaics is likely to gain considerable momentum.

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were analysed systemically to find out whether they inhabit a common structure. Using the plot structure as the basis for our analysis, we identified the most important system elements, their connections, and interactive behaviour using causal loop diagrams (CLDs). Our results revealed that all four tragedies basically conform to Senge's archetypal structure 'shifting the burden', adding the action of the heroine or villain and the characters' boundaries of perception. The results suggest that, even though characters and settings vary highly, these tragedies have similar structures and archetypal solutions exist to overcome the problem. Furthermore, we propose that CLDs and systems archetypes are a reasonable hermeneutic tool to analyse not only Shakespearean tragedies but also other literary works.

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