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A destination's ability to attract tourists is associated with the visitor experience and, in recent years, visitors have increasingly used virtual environments and digital innovation, such as social media platforms, to communicate their experience of tourist destinations. A positive well-communicated tourist experience improves the reputation of the destination and has relevant consequences for both the destination's attractiveness and its competitive advantage. On the contrary, when the destination's reputation is negatively affected by visitors' experiences, comments and reviews, such destination might compromise its ability to attract new visitors. Studies in this field agree alike that the tourist experience is negatively affected by overcrowding and overflows phenomena occurring around the visited city attractions. The present research, merging the aforementioned observations, investigates whether visitor density affects the online reputation of the Uffizi Gallery, estimated by extracting visitors' opinions and feedbacks on the city's main attractions from TripAdvisor ratings and from Twitter posts, by applying sentiment analysis to evaluate whether the text is positive, negative, or neutral. The city of Florence is an ideal case study, as the city records almost 16 million tourist overnight stays per year hence highly exposed to the risk of tourist overcrowding and overflows. The research findings reveal that Uffizi Gallery experiences and mood are influenced by the number of visitors insisting and if tourists live a negative experience, this is further exacerbated by the growing density of visitors themselves. We find that, if tourists have a negative experience, this is exacerbated by the density of visitors to the Uffizi Gallery. The results reveal also that tourists' experiences are even more influenced by any general dissatisfaction they experience in the city of Florence in a broader way. Practical implications and theoretical contributions are discussed.

The purpose of this paper is to show how metamaterials with extreme values of permittivity and permeability, may be effectively used to design artificial magnetic conductors (AMC) at a given frequency. In particular, this paper theoretically determines, for the different polarizations of the incidence field, the conditions under which metamaterials can behave as an AMC.

In order to find out the required values of the constitutive parameters, this paper has done a theoretical analysis based on the transmission-line theory. The obtained analytical reflection coefficient has been particularized for the different possible polarizations of the incidence field in order to find the constitutive parameters values that this paper needs for the AMC behavior.

Depending on the polarization of the field, it is shown that different values of the constitutive parameters are needed to get AMCs. In particular, it is shown that in the case of TEM and TE polarizations, a large value of the permeability is enough to obtain an AMC boundary condition. In the case of the TM polarization, instead, the AMC boundary condition is effectively achieved by using a material with vanishing permittivity. The role of the permittivity in the three polarizations is discussed. Finally, possible implementations and applications at microwave and optical frequencies are presented.

The idea of using miniaturized inclusions to obtain AMCs is not completely new. However, to the authors' best knowledge, a complete and rigorous theoretical analysis showing the capabilities and the limits of this approach has not yet been presented in the open technical literature.

This paper aims to investigate the strategic governance of the digital transformation of the accounting environment in cultural organizations, with a specific focus on practices of social responsibility and stakeholder engagement in virtual museums.

By adopting a multiple case study approach, this study investigated five Italian virtual museums and their digitalization processes. Data were collected and triangulated from multiple sources, including documentary analysis and semi-structured interviews with 16 key informants.

Considering the digitalization of the accounting environment as a paradigmatic change, the authors identify three key transitions for its strategic governance: from the static, technical and physical to the relational, emotional and digital; from bureaucratic managerialism to value cocreation; and from traditional CSR to integrated external engagement. Moreover, the authors found that social responsibility and stakeholder engagement practices are used in a limited way, and that the use of social media appears to be increasingly important and to be carried out through an emergent rather than a deliberate strategy.

The paper draws from a limited sample of case studies in one country and is based on exploratory research. This paper calls for more comparative studies using a longitudinal approach to investigate the impacts of digitalization on the accounting environment of cultural organizations.

This study is one of the few studies concentrating on the effects of digitalization on the accounting environment of cultural organizations.

The case introduces the evolution and diversification of the Ceretto family business from the production and distribution of their own wines to the opening of two restaurants and the promotion of cultural and artistic projects. The case provides specific details about how strategic decisions were made. In particular, it shows how non-economic factors such as founders’ identity and personal relationships can shape the choice of new ventures and the formation of alliances. Since the second generation of the family joined the company, the case is useful to highlight the succession process in a family-owned company. The paper aims to discuss these issues.

Due to the exploratory nature of the study the authors adopted a qualitative approach. Information was collected through secondary data and semi-structured, face-to-face interviews with family members and the company's top management. The case explores from a theoretical and empirical point of view the entrepreneurial decision-making process and how it affects the evolution of the company strategy.

The case illustrates the role of founders’ (organizational) identity and of social relationships in influencing the diversification of the company and its partnership strategy.

The research strategy does not allow generalizations.

The case integrates strategic alliances literature highlighting the importance of the nature of the tie existing between companies before the alliance is set and of the decision makers’ identity in shaping partnerships’ choice. The case is useful in entrepreneurship and managing small or family business courses but also for students attending management of foods and beverage or cultural management courses.

The purpose of this paper is to design simple and high-performing screens capable to separate circularly polarized electromagnetic waves in Ku band from the ones in Ka band.

The proposed screen consists of an inductive double resonant element FSS, i.e. a regular array of circular holes in a metal thick plate, in order to grant the robustness to mechanical stress for antenna applications in extreme conditions.

The proposed design of a multi-band frequency selective surface (FSS) is able to separate circularly polarized electromagnetic waves in Ku band from the ones in Ka band.

The paper shows the capabilities of a novel FSS that combine the transmission properties of two simple FSSs which allows us to achieve an interesting behaviour in three typical bands of the satellite communications.

The purpose of this paper is to present an analytical expression for the characteristic impedance of a microstrip line in presence of a dielectric cover.

Assuming a quasi-TEM propagation mode, a rigorous conformal mapping based on the Schwarz-Christoffel transformation is employed to derive the equivalent capacitance model, which can then be applied to derive a closed analytical expression for the effective permittivity and the characteristic impedance of the line.

Such a formulation is not limited to the case of a single cover layer, but an arbitrary number of electric overlays can be considered as well. Comparisons with published numerical results and full-wave simulations in the case of a single cover layer have been also performed to test the validity of the proposed approach.

The new analytical formula for the characteristic impedance of a microstrip line with a single dielectric cover shows better performances compared to the one of closed formulas already presented in the literature.

Resurgent interest in the life and work of the Italian Cambridge economist Piero Sraffa is leading to New Directions in Sraffa Scholarship. This chapter introduces readers to some of these developments. First and perhaps foremost is the fact that as of September 2016 Sraffa’s archival material has been uploaded onto the website of the Wren Library, Trinity College, Cambridge University, as digital colour images; this chapter introduces readers to the history of these events. This history provides sharp relief on the extant debates over the role of the archival material in leading to the final publication of Production of Commodities by Means of Commodities, and readers are provided a brief sketch of these matters. The varied nature of Sraffa scholarship is demonstrated by the different aspects of Sraffa’s intellectual legacy which are developed and discussed in the various entries of our Symposium. The conclusion is reached that we are on the cusp of an exciting phase change of tremendous potential in Sraffa scholarship.

This study aims to quantitatively measure the size and speed of monetary policy interest rate transmission to long‐term interest rates in Kenya.

The study uses autoregressive distributed lag specification re‐parameterized as an error correction model and mean adjustment lag methods.

The study finds incomplete pass‐through of policy rates both in the short and the long run. The study also shows that it takes approximately between 11 months to two years for policy interest rate to be fully transmitted to long‐term rates.

The study is novel as it is the first attempt the authors are aware of that empirically investigates the interest rate pass‐through in Kenya using high‐frequency data. Measuring the speed and size of interest rate pass‐through provides policy makers with insights on how long it takes for a particular policy action to yield desired results on the real economy. The findings of this study will therefore inform policy makers of the effectiveness of their policy decisions and facilitate timely monetary policy actions.

Comedy and parody in rock and metal music have been around since the genre's inception. The Italian comedic music genre known as rock demenziale employs the use of nonsense and surrealism which turns conventions upside down. The demenziale has also attracted a slew of bands that employ this humour within the heavy metal genre, most famous of which is the Roman band Nanowar of Steel. With their jabs at Manowar and power metal bands, they place mundane activities and characters into the grandiose medievalist and fantasy worlds commonly used by those bands to the point of absurdity. However, with humour being deeply culture-specific, jokes that draw from a country's pop culture and makes extensive use of puns may be lost to an audience not familiar with that culture. Nanowar of Steel's unique position of having songs written in seven languages, primarily English and Italian, allows us to take a deeper look at how language and humour interfaces with the local and global metal scenes.