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Agribusiness has unleashed new territorial dynamics on the Brazil and Paraguay border. Derived from Brazilian public policies influenced by geopolitical objectives, the spillover of agribusiness into Paraguayan territory has created productive, commercial, and logistical networks that have intensified the porosity of this border. In light of this, criminal groups have used these networks to carry out cross-border crimes. Among these illicit acts, the illegal flow of pesticides and agrochemical inputs stands out, since they use the road network to transport and distribute these products to the thriving agribusiness segment, despite the asymmetry between sanitary and legal parameters between Brazil and Paraguay. Through a qualitative analysis of quantitative data and interviews with agents responsible for security in the Brazilian Border Strip, we identified the characteristics of this cross-border illicit flow and built a scenario for the period after the construction of the RILA, which will make the river border of the state of Mato Grosso do Sul, Brazil, with the department of Alto Paraguay, Paraguay, between the cities of Porto Murtinho and Carmelo Peralta, more porous and therefore more vulnerable to these crimes. [ABSTRACT FROM AUTHOR]

This article deals with the border effect phenomenon affecting the mobility of inhabitants in border regions. It aims to identify the determinants of the border effect in transport at the municipal level, considering the distance from the border, the populations and the characteristics of the closest bordering country. The survey in the Czech Republic eventually involved 675 representatives of municipalities who answered questions on inter-municipal mobility. The results confirmed that the most substantial handicap was population size, with small populations corresponding to the limited use of public transport when travelling beyond a given border. The results confirmed that the characteristics of the state or region that shares the border must be considered when assessing border regions. Therefore, the solution to the problems of individual border regions cannot be viewed with a single instrument. It is necessary to consider substantial differences resulting from the economic level of neighbouring countries. [ABSTRACT FROM AUTHOR]