This paper reviews the academic literature related to religious tourism through a bibliometric study and citations of articles indexed in the multidisciplinary database Web of Science (WoS). Through an advanced search by terms, a representative set of 103 documents that form the ad-hoc basis of the analysis were selected. In view of the results, it is concluded that the United States is at the forefront of research, with almost 20% of the articles affiliated to one of its centres, mainly university centres. Publications on religious tourism are currently in an exponential growth stage, supported by the annual increase in the number of citations received. These papers are published in a small number of journals well positioned in their JCR category, classified within the field of Social Sciences Research.

Poverty is one of the main indicators of economic development worldwide, in such a way that one of the Sustainable Development Goals is to eradicate poverty in all its forms worldwide. The objective of this research was to examine the effect of the gross value added (GVA) of tourism on poverty in the 198 contiguous Ecuadorian cantons. The methodology used was the application of a set of spatial econometric models to capture the regional effect of tourism on poverty. Data were obtained from the Central Bank of Ecuador and the National Survey of Employment, Unemployment and Under-Employment of the National Institute of Statistics and Census (INEC). The results show that tourism activities and regional poverty are negatively related; thus, a 1% increase in tourism-related economic activity decreases the regional poverty of the canton itself by 4.31%, and that of neighboring cantons by between 0.7% and 2.4%. The inclusion of the control variables shows that schooling and the mestizo population contribute to reducing the canton’s poverty, since the regions with a high GVA of tourism have high levels of schooling and a mestizo population. Thus, regional poverty increases when the level of schooling increases in neighboring cantons. On the other hand, in cantons with a high Mestizo population, compared to the African-American population, the poverty of the canton and its neighboring regions decreases. Public policy measures which aim at reducing poverty must take into account spatial spills from tourist activity in the cantons.

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From an empirical point of view, the liberalization of the internal energy market reduces carbon dioxide emissions, promoting a wider range of renewable energy sources. The aim of this paper is to examine the effect of the liberalization of the internal energy market on CO2 emissions, which was implemented in the European Union in 2011. The research data cover 27 countries of the European Union during the period 2004–2017 and was processed by estimating a two-way effects econometric model. The results suggest that the liberalization of the internal energy market is negatively related to CO2 emissions; the policy was effective in reducing CO2 emissions and, therefore, slowing down climate change. This result is significant at the level of the European Union, and in high-income countries since the year the policy was implemented, being different in the upper-middle-income countries, which begins to be effective after two years, which is due to the economic characteristics of the countries. The public policies to be implemented to reduce carbon dioxide emissions should focus on reducing the barriers imposed on foreign trade, which prevent efficient use of resources and providing financial and operating facilities to renewable energy providers in order to stimulate their production and consumption.