The Hassle Factor as a Psychological Barrier to a Green Home

In order to reach climate goals, policymakers stimulate homeowners to invest in sustainable measures in and around their house. Unfortunately, however, the number of green home measures lacks behind. This article introduces perceived hassle as an important reason for this shortfall. It is claimed that homeowners perceive hassle during different stages of their (customer) journey towards a green home; the awareness stage, the consideration stage, and the decision stage. It is further theorized that people delay taking green home measures in order to avoid the anticipated stress caused by the accumulation of these hassles. Exploring the hassle factor as a psychological barrier to a green home can advance the successful implementation of policies that stimulate sustainable housing. On the one hand, our insights can help homeowners to overcome their obstacles to invest in green measures. On the other hand, they can help policymakers to improve their policies. It suggests de-hassling policy interventions and discusses their effectiveness.

energy more efficiently (i.e., energy efficiency), adapt to the effects of climate change (climate change adaptation), and make a structural change in energy systems (energy system transition) (e.g., European Commission 2018).
Homeowners are an important audience for energy policies. That is, households account for a large part of all carbon dioxide (CO 2 ) emissions: one of the main contributors to global warming. Furthermore, households have a large variability in (energy) consumption patterns (e.g., Eurostat 2017; Gardner and Stern 2008;Hamilton et al. 2014). Homeowners can reduce their CO 2 emissions when they invest in sustainable measures in and around their property. Examples of such measures are roof and floor isolation, solar panels, and heating or cooling systems. Compared to renters, homeowners are a preferred target group because they have a higher income, can decide more autonomously to invest in green measures, and are more quickly to invest in green home measures than renters (e.g., Davis 2011).
Unfortunately, despite the efforts of policymakers, the number of homeowners that invest in green measures lacks behind (e.g., Amel et al. 2017;Bolderdijk and Steg 2015;Ölander and Thøgersen 2014). This short communication claims that perceptions of hassle partly underlie this shortfall.

Contribution
The main scientific contribution of this short communication is its focus on hassle as a barrier to a green home. Hassle is a micro-stressor that is empirically understudied. We introduce the theory that the accumulation of perceived hassle during a homeowners' journey towards a green home can lead to considerable stress and inaction. This theory extends general research on psychological barriers to sustainable consumption, and deepens in particular the concept of Beffort^(e.g., Gatersleben et al. 2002). This extension is relevant because psychological factors are important barriers to sustainable consumption. That is, people are not entirely driven by economic or rational considerations when it comes to green home investments. In fact, people often respond in unexpected and undesirable, irrational ways to rewards and sanctions that were intended to stimulate green behaviours, even when they report themselves that they have the intention to act green (e.g., Amel et al. 2017;Frederiks et al. 2015;Steg and Vlek 2009).
This communication stresses the importance of research on and application of behavioural insights in environmental policymaking. For an effective shift in sustainable household behaviour, policies need to consider psychological factors in addition to technological, financial, and information barriers (e.g., Amel et al. 2017;Newman and Fernandes 2016). Governments and institutions increasingly follow up on this (e.g., Grimmelikhuijsen et al. 2017;Halpern 2015). However, the field of behavioural public administration has only just started (Schillemans and de Vries 2016), in particular when it comes to environmental policies.
The communication contributes to society because its insights on the hassle factor can advance the successful implementation of environmental policies. On the one hand, it can raise awareness among homeowners about their barriers to invest in green measures. Awareness of the hassle factor might help them overcome these barriers. On the other hand, policymakers can use this paper to design effective interventions that support homeowners in their green decisions (e.g., Frederiks et al. 2015;Vandenbergh and Gilligan 2017). We will provide suggestions for interventions in this communication.

The Hassle Factor
Hassles are Bthe irritating, frustrating, distressing demands that to some degree characterize everyday transactions with the environment. They include annoying practical problems such as losing things or traffic jams and fortuitous occurrences such as inclement weather, as well as arguments, disappointments, and financial and family concerns^ (Kanner et al. 1981, p.3). Hassles can be potent sources of stress when they act cumulatively, in particular, when compensatory positive experiences are absent (McLean 1976). Stress is an unpleasant stateof-being, and one of the ways people cope with it is by avoiding the situation or action that causes the stress (e.g., Roth and Cohen 1986). So, if homeowners perceive accumulated hassle during their journey towards a green home, their stress levels increase, leading eventually to avoiding to take green measures.

Awareness Stage
Homeowners can perceive hassle at three stages during their journey. The first of which is the moment they become aware of green home measures, for example, when presented with (public) information. Public information about energy efficiency is often perceived as complex (Schalkwijk 2017) which slows down information processing (e.g., Chaiken 1980;Petty and Cacioppo 1986). Furthermore, when information about energy policies is too technical and detailed, people find it difficult to understand the core message which can prevent them to act positively upon this message (e.g., de Vries 2017;de Vries et al. 2014). Public information about energy policies is important to stimulate sustainable behaviour (e.g., Milbrath 1995). However, when people perceive reading it as hassle and the information is neglected in return, governments fail to hit their mark (Gardner and Stern 2008;Ölander and Thøgersen 2014).

Consideration Stage
At the second stage of the journey towards a green home, homeowners consider and balance benefits and disadvantages of measures. They encounter two types of hassle during this consideration stage. The first hassle is to find a reliable contractor and arrange the construction. Homeowners find it hard to find a contractor they can trust (DECC 2011) and they feel inhibited by the logistical difficulties of arranging the work fromoften multiplecontractors (Gardner and Stern 2008). A second hassle factor in the consideration stage is the perceived disruption in households that comes along with the construction (Aravena et al. 2016). In particular for loft insulation, the perceived hassle of clearing belongings from the loft area before insulation could prevent homeowners from taking up this green home measure (DECC 2011).

Decision Stage
During the decision stage, the main hassle is the application for subsidies or loans. Because financial restraints are often mentioned as barrier, a popular policy-tool to stimulate green home investments are monetary incentives (e.g., Bolderdijk and Steg 2015). Homeowners are either limited in their financial resources or perceive that the benefits of a measure (lower energy bills, climate benefits) do not outweigh the monetary costs (e.g., Aravena et al. 2016). Unfortunately, monetary incentives are not as effective as expected (e.g., Allcott and Greenstone 2012). Several surveys indicate that homeowners find it a hassle to apply for subsidies or loans, leaving them to postpone the application. Application can be a hassle when homeowners do not know where to apply, how to apply, and under which conditions they get the money (e.g., Allcott and Mullainathan 2010;DECC 2011DECC , 2013.
In conclusion, the hassle factor appears to be an important psychological barrier to a green home. Homeowners perceive hassle when they inform themselves about green home measures, when they consider to invest in a measure, and when they have decided to invest. As stated before, the accumulation of hassles could lead to stress and ultimately to inaction, even with enough information and money. Therefore, new energy policies should be aimed at removing hassle.

Interventions
If policymakers want to pave a hassle-free way for citizens towards a green home, interventions are needed that make the green behaviour easier and more convenient than the status quo (i.e., green nudges, Schubert 2017). See Table 1 for an overview of the stages, the hassle factors in that stage and the interventionor nudgethat could be taken.

Awareness Stage
Clear, concise, and credible information about green home measures could prevent perceptions of hassle in the awareness stage. Gardner and Stern (2008) suggest that in order to be effective, information should (1) focus on a small number of specific actions with a large impact, (2) repeat the message frequently through multiple media outlets, and (3) use sources that are credible to target audiences. Where possible, the messages should arrive when the target group is set to make a choice about the issue the message addresses. In our case, that could be when citizens plan to move house or renovate their house.
A similar result is found in a Chinese study to the role of public information in increasing homebuyers' willingness-to-pay for green housing. There is a weak demand for green housing in Chinese cities, and the researchers wanted to know to what extent this weak demand was influenced by weak (public) information. They conducted an experimental study and found that households can be encouraged to purchase green measures if they are presented with more reliable, accurate, and concrete information (Zhang et al. 2016).
Research to the impact of framing on the effectiveness of public communications further confirms the finding that information should be clear, concise, and credible (de Vries 2017). Experiments show that too much details can dilute the persuasiveness of a core message (de Vries et al. 2014), and that the impact of information partly depends on expectations about the intentions of the source (de Vries et al. 2016).

Consideration Stage
Interventions for removing the hassle factor in the consideration stage could be aimed at the pre-selection of contractors and help to minimize household disruption. A well-cited example of removing perceptions of hassle and disruption in the consideration stage is a behavioural trial following up on the finding that homeowners did not isolate their lofts because they perceived too much hassle of clearing belongings from the loft area before insulation (DECC 2011(DECC , 2013. The main de-hassle intervention was to offer help by clearing the loft area. More specifically, the researchers offered technical installation (applying insulating floorboards) in combination with clearing the belongings in the loft. The results show that when homeowners were interested, they were prepared to pay more for this combination than for the offers separately (either the application of the boards or clearing). In short, offering help to minimize disruption could (partly) remove the hassle-factor (DECC 2013). However, we should be cautious with drawing the conclusion that offering help is the solution for a hassle-free consideration stage, based on the loft trial. First, the sample was too small to guarantee external validity: the conclusions cannot be generalized to all homeowners. Second, empirical, systematic research to the relative impact of offering help compared with other interventions is lacking.
Local and national governments experiment with the provision of free and trustworthy energy audits, lists of approved contractors, and help to find the right type of green home measures in so-called one-stop shops (e.g., DECC 2011). In the Netherlands, these stops are called energy-counters. They are expected to be effective but because most of these stops are locally run, general evaluation of their efficiency is not available.

Decision Stage
Literature does not provide a clear answer to the question how to ease the application process for subsidies. However, a study on default policies (i.e., the alternative the consumer receives if he/she does not explicitly request otherwise) to engage consumer green behaviour might give a direction for interventions. The study shows that consumers are more likely to switch to a green service if the option of green is implied as the default and consumers can opt-out, compared to when consumers need to explicitly ask (opt-in) for switching to a green service (Theotokis and Manganari 2015). This knowledge might be transferrable to the application of loans and subsidies as such that when homeowners go to an application site, their personal details and the application for the loan can be prefilled. The only thing homeowners need to do is opt-out or modify the prefilled information.

Discussion
The main take-away of this short communication is that the accumulation of hassles that homeowners encounter during the process of greening a house can lead to stress and ultimately to inaction. We identified four types of hassle from literature: informational hassle in the awareness-stage, the hassle of finding and managing contractors, the disruption of the household in the consideration stage, and finally money application hassle in the decision stage. Empirical research could reveal whether or not there are more types of hassle.
One way to investigate this is by conducting a large-scale survey. Ideally, such a survey should be expanded to several countries and distributed among a heterogeneous group of respondents in order to control for internal and external factors that might influence hassle perceptions.
This short communication zoomed in into a rather homogeneous group: homeowners. However, the amount of people that (privately) rents their home is growing (Hope and Booth 2014), making renters an interesting group to include in an empirical study to hassle perceptions. It might be interesting to compare perceptions of hassle for homeowners who rent out their house, and renters. We predict that homeowners perceive hassle during different stages towards a green home than renters. Homeowners probably perceive most hassle during the process of deciding and buying green measures, and searching for subsidies. Renters might perceive most hassle when the measure is installed. The solutions homeowners take to reduce perceptions of hassle (for him or herself) might not be in the best interest of the renter, for instance when the owner chooses for a cheaper, but more intensive, and time-consuming instalment, leaving the tenant in a disruptive household. This tenant-landlord problem (Hankinson 2018) connects to the classic principal-agent problem that occurs when one person or entity (the Bagent^) makes decisions that impact another person or entity (the Bprincipal^). This dilemma exists in circumstances where agents are motivated to act in their own best interests, which are contrary to those of their principals.
We strongly suggest that energy policymakers take perceptions of hassle into account. We proposed several interventions that could help de-hassling. In the awareness stage, policymakers can put effort in the production of clear, concise, and credible information. In the consideration stage, they can offer personal help to find and manage trustworthy contractors and minimize disruption of the household. In the decision stage, policymakers can dehassle by setting up prefilled application forms.
De-hassling might not be easy so to implement though. Behaviour change interventions only have a limited capacity to affect sustainable behaviour. Human behaviour is extremely complex and affected by multiple factors. That can be internal factors such as personality traits, motivation, pro-environmental knowledge, awareness, values, attitudes, emotion, locus of control, responsibilities, and priorities (Allcott and Rogers 2014;Busic-Sontic et al. 2017;Hamilton et al. 2014). However, also external factors such as institutional, economic, social, and cultural factors affect sustainable behaviour (e.g., Kollmuss and Agyeman 2002). Moreover, what is perceived as hassle one day might not be perceived as hassle the other day due to shifts in mood or emotions. This complexity might call for a targeted approach instead of a mass approach (in line with Baptiste et al. 2015).
A possible place to start a tailor-made hassle-free journey towards a green home could be the one-stop energy shops we mentioned previously. These shops can be localized regionally in towns and municipalities but governed nationally in order to make efficient use of resources such as expertise and subsidies. Personal Benergy coaches^(located in the energy shops) could inform homeowners on suitable measures, prices, trustful contractors, and offer support by applying for money. Of course, the design, implementation, and regulation of targeted, tailormade environmental policies such as energy shops take a lot of time and money. But so does inaction to take green home measures.
Funding information This study is part of a research project funded by the Rijksdienst voor Ondernemend Nederland. Call: TSE-17-12-01 (Socially responsible innovations). Project number TESE117008.
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