A new non-linear AR(1) time series model having approximate beta marginals

We consider the mixed AR(1) time series model $$X_t=\left\{\begin{array}{ll}\alpha X_{t-1}+ \xi_t \quad {\rm w.p.} \qquad \frac{\alpha^p}{\alpha^p-\beta ^p},\\ \beta X_{t-1} + \xi_{t} \quad {\rm w.p.} \quad -\frac{\beta^p}{\alpha^p-\beta ^p} \end{array}\right.$$ for ?1 < β ^p ≤ 0 ≤ α ^p  < 1 and α ^p ? β ^p  > 0 when X _t has the two-parameter beta distribution B₂(p, q) with parameters q > 1 and ${p \in \mathcal P(u,v)}$ , where $$\mathcal P(u,v) = \left\{u/v : u < v,\,u,v\,{\rm odd\,positive\,integers} \right\}.$$ Special attention is given to the case p = 1. Using Laplace transform and suitable approximation procedures, we prove that the distribution of innovation sequence for p = 1 can be approximated by the uniform discrete distribution and that for ${p \in \mathcal P(u,v)}$ can be approximated by a continuous distribution. We also consider estimation issues of the model.     

Subjective well-being among the elderly: A bibliometric analysis

Demographic trends have stimulated interest in empirical research on subjective well-being among the elderly. Despite the steep increase in published articles, no one has yet provided a summarized review of the scientific landscape. With this article, we aim to fill this research gap by providing a bibliometric analysis of the field. We do so by collecting a broad dataset of publication data from 1961 to 2016 found on the Web of Science webpage. By combining quantitative scientometric methods, as well as qualitative methods, we were able to provide a historic context of research on subjective well-being among the elderly and distinguish the most important articles, authors, journals, organizations and countries in the field. We found a big leap in research on subjective well-being among the elderly in the last 10 years, as well as a substantial globalization of the field. Although research on subjective well-being among the elderly has clear antecedents, we expect the field to further increase and mature due to more scholars from different braches of science joining the conversation.

     

The view from above: the relevance of shared aerial drone videos for destination marketing

ABSTRACT

The use of drones to produce videos has generated a large amount of visually appealing footage of various destinations. They attract much attention, but there are issues that affect their production, and their relevance to destination marketing. This research examines YouTube meta-data and spatial overlay analysis of shared aerial drone videos from the United Kingdom (UK). The results suggest that shared aerial drone videos have some unique user-generated content (UGC) characteristics and their spatial distribution tends to favor more populated areas. Theoretical and practical implications for destination marketing are further discussed.     

Growth Aspirations and Cultural Support for Entrepreneurship: A Comparison of Post-Socialist Countries

Based on GEM data this paper explores whether significantly different growth aspirations of early stage entrepreneurs in Slovenia, compared to those in Hungary and Croatia, are also accompanied by significantly different opportunity recognition, cultural support for entrepreneurship and self-efficacy. Our results suggest that a higher degree of alertness to unexploited perceived opportunities, and cultural support for entrepreneurial motivation may be the cause of higher growth aspirations of Slovenian early stage entrepreneurs, while self-efficacy with regard to entrepreneurial skills, knowledge and experience was not found to be crucial.      

On Combining Partial and Incompatible Information in E-negotiation and E-arbitration

The complexity of the problems to be addressed in an e-democracy framework and the variety of involved stakeholders, with different backgrounds, views and access to information sources, lead us to consider the case in which an e-negotiation should be performed among subjects who have partial, sometimes incompatible, information and can hardly gather to discuss issues together, under the supervision of a facilitator. We propose a statistical method which addresses the issue of partial and incompatible information, merging it and then using it to get a final decision, possibly in an automatic way, through processes of e-negotiation and e-arbitration.      

Transition to a market type economy: The case of Czechoslovakia

Conclusion The privatisation and liberalisation steps referred to are an expression of the endeavour to accompany stabilisation efforts as quickly as feasible with the institutional and systemic changes as well as with policies for restructuring, to change the behaviour patterns of economics agents. Until this change takes place, the more effective the restrictive policies are in the financial sphere, the higher the costs incurred in the real sphere will tend to be.The achievement of the desirable trade-offs between the conflicting aims of the macroeconomic development is thus linked with the degree of success in the changes of behaviour of economic agents. The macroeconomic stabilisation will therefore in the longer run depend on the extent to which the regime actually changes, on the positive destabilisation of economic agents and on the progress in their restructuring.In Czechoslovakia there does not therefore seem to be as clear-cut a distinction, as in other reforming countries, between the phases of stabilisation policies, institutional and systemic changes and those of the restructuring policies.The measures to transform the Czechoslovak economy and the implementation of these measures represent an attempt to proceed on a wider front, to take coordinated steps in all the relevant spheres, implying a greater degree of simultaneity. This is a reflection of the strategy chosen which aims at a qualitative change to be accomplished rapidly, taking into account the fact that the individual steps in the various spheres of the transition process are closely interconnected. The approach followed could thus be considered a strategy to introduce groups of complementary policy measures, that is to say, to make several reform packages and to implement them sequentially.     

Are Patenting Activities in U.S. Universities Still Affected by Bayh-Dole Act？

Based on four data sources, the trends of the patent activities of US universities in the last 40 years are quantitatively assessed. It has been found that patenting activities in U.S. universities slowed down greatly after 2000 and remained flat until the period from 2010 to 2012, when activities recover to the level of strength characterizing the period before 2000 and after the enactment of the Bayh-Dole Act. The affects of the （Bayh-Dole） Act on the university patenting activities （UPAs） are specifically analyzed for the time span considered. We found that the impacts of the Act had been remaining strong until the year of 1999 and then greatly diminished. We also identify that economic recessions are the major cause to the flatness of the patenting activities during 2000s. Recently, many concerns on university patent activities have been raised; these concerns are reviewed and recommendations to resolute to these concerns are provided.