The papers in this special issue focus on the emerging phenomenon of cryptocurrencies. Cryptocurrencies are digital financial assets, for which ownership and transfers of ownership are guaranteed by a cryptographic decentralized technology. The rise of cryptocurrencies' value on the market and the growing popularity around the world open a number of challenges and concerns for business and industrial economics. Using the lenses of both neoclassical and behavioral theories, this introductory article discusses the main trends in the academic research related to cryptocurrencies and highlights the contributions of the selected works to the literature. A particular emphasis is on socio-economic, misconduct and sustainability issues. We posit that cryptocurrencies may perform some useful functions and add economic value, but there are reasons to favor the regulation of the market. While this would go against the original libertarian rationale behind cryptocurrencies, it appears a necessary step to improve social welfare.

Little is known on how and whether central bank announcements aect consumers' beliefs about policy relevant economic gures. This paper focuses on consumers' perceptions and expectations of ination and interest rates and condence therein. Based on a sound identication (running surveys shortly before and after communication events), and relying on above 15 000 observations, spanning over 12 FOMC press conferences between December 2015 and June 2018, we document the impact of the central bank communication on ordinary people. While announcement events have little measurable direct eect on average beliefs, they make people more likely to receive news about the central bank's policy. In general, informed consumers tend to have lower perceptions and expectations, higher condence and, to an extent, better quality beliefs.

Knowledge Intensive Business Services (KIBS) are widely argued to be important actors in innovation systems. They are active both innovating themselves, and by providing their clients with important knowledge and learning opportunities. This study uses survey data to investigate the mechanisms of knowledge transfer and innovativeness improvement through the provision of KIBS. The empirical core of the paper is a set of Russian surveys of KIBS and their clients: KIBS are a fairly new phenomenon in Russia, so this provides an opportunity to contrast KIBS supplier-client relationships featuring more and less experienced customers. Many of the KIBS firms' services are highly tailored to customer specificities, and we consider how far this is minor customisation and how far novel products (and thus potentially product innovations) are involved. These services typically involve KIBS consumers into a coproduction process, where both the formal supplier and the formal user of the service are engaged together in service production. Knowledge transfers through learning-by-doing in such cases affect customers' propensity to innovate and improve their absorptive capacity. The paper concludes that the generation of innovations through KIBS may well be a self-sustaining process. In this process, service providers are incentivised to engage in service innovations by more innovative customers' demand for highly individualised services. In turn, the process stimulates the innovativeness of customers, as they engage in learning-by-doing through coproduction.JEL Classification: D83, L84, O32.

Recent studies have challenged the view that trade openness leads to more specialization in countries' trade. Using a panel of 116 countries over 35 years, we show that openness can be positively associated with both specialization and diversification, depending on the measure used. Moreover, for developing countries in our sample, the effect of openness on trade structure depends on the type of political regime: in autocracies openness is linked with specialization, whilst in democracies it is related to diversification via export sophistication.JEL Classification: F14, F49, P48

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Unclear bailout policy, underinvestment and calls for bankers' responsibility are some of the observations from the recent financial crisis. The paper explains underinvestment as an inefficient equilibrium. Under ambiguous bailout policy agents suffer from a lack of information with regards to the insolvency resolution methods. Beliefs of bankers regarding whether an insolvent bank is liquidated, may differ from those of depositors even if bankers and depositors possess absolutely symmetric information about the economy. It is shown that such an asymmetry in beliefs results in underinvestment if the investment climate is characterized by high aggregate risk. The paper suggests policy implications aimed at the reduction of anxiety of agents and at aligning their beliefs to restore efficiency.JEL Classification: G28, D80

One of the important functions of financial intermediation is intertemporal risk smoothing. This paper studies the effects of a production shock in a closed economy and compares the abilities of market-based and bank-based financial systems in processing the shock. The analysis of the shock propagation indicates that a competitive banking system may collapse in absence of a proper regulation. Paradoxically, it is the credibility of banks that makes bank-based economies fragile. A necessary and sufficient condition for successfull bailout schemes is proposed.JEL Classification: G21, E44, O16